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Graduate & Doctoral Interlibrary Loans
Interlibrary Loan, also called ILL, is a free service for you as a student to use if you need an article or book that we do not own.
To initiate an Interlibrary Loan request, fill out the form with as much information about the resource as possible, as well as your contact information.
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Check out these web resources:
You can browse through education journals and newspapers for topic ideas, or go straight to journals if you are looking for an article that you know was published in a specific journal. Go to our journal list here to search for specific journals/newspapers and find out if we subscribe to them!
Some journals/newspapers you might find useful that we do subscribe to:
If a book or article you want is not available, use Interlibrary Loan (ILL). The Library can order books and articles from other libraries. This process takes few days but is completely free for DelVal students, faculty, and staff.
If you have answered "yes" to these five questions you have probably located a scientific article.
Research articles are also often known as scientific or peer-reviewed articles. If the article is NOT written by the person or group who did the research, it is NOT a peer-reviewed or scientific article. Research articles are important for knowing what new discoveries have been made. This is why it is important to use recent articles, since they will be the first things published on a new scientific development.
Here's a quick overview of how to identify these journal articles:
OK. You’ve got to write a literature review. You dust off a novel and a book of poetry, settle down in your chair, and get ready to issue a “thumbs up” or “thumbs down” as you leaf through the pages. “Literature review” done. Right?
Wrong! The “literature” of a literature review refers to any collection of materials on a topic, not necessarily the great literary texts of the world. “Literature” could be anything from a set of government pamphlets on British colonial methods in Africa to scholarly articles on the treatment of a torn ACL. And a review does not necessarily mean that your reader wants you to give your personal opinion on whether or not you liked these sources.
What is a literature review, then?
A literature review discusses published information in a particular subject area, and sometimes information in a particular subject area within a certain time period.
A literature review can be just a simple summary of the sources, but it usually has an organizational pattern and combines both summary and synthesis. A summary is a recap of the important information of the source, but a synthesis is a re-organization, or a reshuffling, of that information. It might give a new interpretation of old material or combine new with old interpretations. Or it might trace the intellectual progression of the field, including major debates. And depending on the situation, the literature review may evaluate the sources and advise the reader on the most pertinent or relevant.
But how is a literature review different from an academic research paper?
The main focus of an academic research paper is to develop a new argument, and a research paper is likely to contain a literature review as one of its parts. In a research paper, you use the literature as a foundation and as support for a new insight that you contribute. The focus of a literature review, however, is to summarize and synthesize the arguments and ideas of others without adding new contributions.
Why do we write literature reviews?
Literature reviews provide you with a handy guide to a particular topic. If you have limited time to conduct research, literature reviews can give you an overview or act as a stepping stone. For professionals, they are useful reports that keep them up to date with what is current in the field. For scholars, the depth and breadth of the literature review emphasizes the credibility of the writer in his or her field. Literature reviews also provide a solid background for a research paper’s investigation. Comprehensive knowledge of the literature of the field is essential to most research papers.
Who writes these things, anyway?
Literature reviews are written occasionally in the humanities, but mostly in the sciences and social sciences; in experiment and lab reports, they constitute a section of the paper. Sometimes a literature review is written as a paper in itself.
Let’s get to it! What should I do before writing the literature review?
If your assignment is not very specific, seek clarification from your instructor:
Look for other literature reviews in your area of interest or in the discipline and read them to get a sense of the types of themes you might want to look for in your own research or ways to organize your final review. You can simply put the word “review” in your search engine along with your other topic terms to find articles of this type on the Internet or in an electronic database. The bibliography or reference section of sources you’ve already read are also excellent entry points into your own research.
Narrow your topic
There are hundreds or even thousands of articles and books on most areas of study. The narrower your topic, the easier it will be to limit the number of sources you need to read in order to get a good survey of the material. Your instructor will probably not expect you to read everything that’s out there on the topic, but you’ll make your job easier if you first limit your scope.
And don’t forget to tap into your professor’s (or other professors’) knowledge in the field. Ask your professor questions such as: “If you had to read only one book from the 90’s on topic X, what would it be?” Questions such as this help you to find and determine quickly the most seminal pieces in the field.
Consider whether your sources are current
Some disciplines require that you use information that is as current as possible. In the sciences, for instance, treatments for medical problems are constantly changing according to the latest studies. Information even two years old could be obsolete. However, if you are writing a review in the humanities, history, or social sciences, a survey of the history of the literature may be what is needed, because what is important is how perspectives have changed through the years or within a certain time period. Try sorting through some other current bibliographies or literature reviews in the field to get a sense of what your discipline expects. You can also use this method to consider what is currently of interest to scholars in this field and what is not.
Strategies for writing the literature review
Find a focus
A literature review, like a term paper, is usually organized around ideas, not the sources themselves as an annotated bibliography would be organized. This means that you will not just simply list your sources and go into detail about each one of them, one at a time. No. As you read widely but selectively in your topic area, consider instead what themes or issues connect your sources together. Do they present one or different solutions? Is there an aspect of the field that is missing? How well do they present the material and do they portray it according to an appropriate theory? Do they reveal a trend in the field? A raging debate? Pick one of these themes to focus the organization of your review.
Convey it to your reader
A literature review may not have a traditional thesis statement (one that makes an argument), but you do need to tell readers what to expect. Try writing a simple statement that lets the reader know what is your main organizing principle. Here are a couple of examples:
The current trend in treatment for congestive heart failure combines surgery and medicine.
More and more cultural studies scholars are accepting popular media as a subject worthy of academic consideration.
You’ve got a focus, and you’ve stated it clearly and directly. Now what is the most effective way of presenting the information? What are the most important topics, subtopics, etc., that your review needs to include? And in what order should you present them? Develop an organization for your review at both a global and local level:
First, cover the basic categories
Just like most academic papers, literature reviews also must contain at least three basic elements: an introduction or background information section; the body of the review containing the discussion of sources; and, finally, a conclusion and/or recommendations section to end the paper.
Introduction: Gives a quick idea of the topic of the literature review, such as the central theme or organizational pattern.
Body: Contains your discussion of sources and is organized either chronologically, thematically, or methodologically (see below for more information on each).
Conclusions/Recommendations: Discuss what you have drawn from reviewing literature so far. Where might the discussion proceed?
Organizing the body
Once you have the basic categories in place, then you must consider how you will present the sources themselves within the body of your paper. Create an organizational method to focus this section even further.
To help you come up with an overall organizational framework for your review, consider the following scenario and then three typical ways of organizing the sources into a review:
You’ve decided to focus your literature review on materials dealing with sperm whales. This is because you’ve just finished reading Moby Dick, and you wonder if that whale’s portrayal is really real. You start with some articles about the physiology of sperm whales in biology journals written in the 1980’s. But these articles refer to some British biological studies performed on whales in the early 18th century. So you check those out. Then you look up a book written in 1968 with information on how sperm whales have been portrayed in other forms of art, such as in Alaskan poetry, in French painting, or on whale bone, as the whale hunters in the late 19th century used to do. This makes you wonder about American whaling methods during the time portrayed in Moby Dick, so you find some academic articles published in the last five years on how accurately Herman Melville portrayed the whaling scene in his novel.
If your review follows the chronological method, you could write about the materials above according to when they were published. For instance, first you would talk about the British biological studies of the 18th century, then about Moby Dick, published in 1851, then the book on sperm whales in other art (1968), and finally the biology articles (1980s) and the recent articles on American whaling of the 19th century. But there is relatively no continuity among subjects here. And notice that even though the sources on sperm whales in other art and on American whaling are written recently, they are about other subjects/objects that were created much earlier. Thus, the review loses its chronological focus.
Order your sources by publication chronology, then, only if the order demonstrates a more important trend. For instance, you could order a review of literature on biological studies of sperm whales if the progression revealed a change in dissection practices of the researchers who wrote and/or conducted the studies.
A better way to organize the above sources chronologically is to examine the sources under another trend, such as the history of whaling. Then your review would have subsections according to eras within this period. For instance, the review might examine whaling from pre-1600-1699, 1700-1799, and 1800-1899. Under this method, you would combine the recent studies on American whaling in the 19th century with Moby Dick itself in the 1800-1899 category, even though the authors wrote a century apart.
Thematic reviews of literature are organized around a topic or issue, rather than the progression of time. However, progression of time may still be an important factor in a thematic review. For instance, the sperm whale review could focus on the development of the harpoon for whale hunting. While the study focuses on one topic, harpoon technology, it will still be organized chronologically. The only difference here between a “chronological” and a “thematic” approach is what is emphasized the most: the development of the harpoon or the harpoon technology.
But more authentic thematic reviews tend to break away from chronological order. For instance, a thematic review of material on sperm whales might examine how they are portrayed as “evil” in cultural documents. The subsections might include how they are personified, how their proportions are exaggerated, and their behaviors misunderstood. A review organized in this manner would shift between time periods within each section according to the point made.
A methodological approach differs from the two above in that the focusing factor usually does not have to do with the content of the material. Instead, it focuses on the “methods” of the researcher or writer. For the sperm whale project, one methodological approach would be to look at cultural differences between the portrayal of whales in American, British, and French art work. Or the review might focus on the economic impact of whaling on a community. A methodological scope will influence either the types of documents in the review or the way in which these documents are discussed.
Once you’ve decided on the organizational method for the body of the review, the sections you need to include in the paper should be easy to figure out. They should arise out of your organizational strategy. In other words, a chronological review would have subsections for each vital time period. A thematic review would have subtopics based upon factors that relate to the theme or issue.
Sometimes, though, you might need to add additional sections that are necessary for your study, but do not fit in the organizational strategy of the body. What other sections you include in the body is up to you. Put in only what is necessary. Here are a few other sections you might want to consider:
Current Situation: Information necessary to understand the topic or focus of the literature review.
History: The chronological progression of the field, the literature, or an idea that is necessary to understand the literature review, if the body of the literature review is not already a chronology.
Methods and/or Standards: The criteria you used to select the sources in your literature review or the way in which you present your information. For instance, you might explain that your review includes only peer-reviewed articles and journals.
Questions for Further Research: What questions about the field has the review sparked? How will you further your research as a result of the review?
Once you’ve settled on a general pattern of organization, you’re ready to write each section. There are a few guidelines you should follow during the writing stage as well. Here is a sample paragraph from a literature review about sexism and language to illuminate the following discussion:However, other studies have shown that even gender-neutral antecedents are more likely to produce masculine images than feminine ones (Gastil, 1990). Hamilton (1988) asked students to complete sentences that required them to fill in pronouns that agreed with gender-neutral antecedents such as “writer,” “pedestrian,” and “persons.” The students were asked to describe any image they had when writing the sentence. Hamilton found that people imagined 3.3 men to each woman in the masculine “generic” condition and 1.5 men per woman in the unbiased condition. Thus, while ambient sexism accounted for some of the masculine bias, sexist language amplified the effect. (Source: Erika Falk and Jordan Mills, “Why Sexist Language Affects Persuasion: The Role of Homophily, Intended Audience, and Offense,” Women and Language19:2.
In the example above, the writers refer to several other sources when making their point. A literature review in this sense is just like any other academic research paper. Your interpretation of the available sources must be backed up with evidence to show that what you are saying is valid.
Select only the most important points in each source to highlight in the review. The type of information you choose to mention should relate directly to the review’s focus, whether it is thematic, methodological, or chronological.
Use quotes sparingly
Falk and Mills do not use any direct quotes. That is because the survey nature of the literature review does not allow for in-depth discussion or detailed quotes from the text. Some short quotes here and there are okay, though, if you want to emphasize a point, or if what the author said just cannot be rewritten in your own words. Notice that Falk and Mills do quote certain terms that were coined by the author, not common knowledge, or taken directly from the study. But if you find yourself wanting to put in more quotes, check with your instructor.
Summarize and synthesize
Remember to summarize and synthesize your sources within each paragraph as well as throughout the review. The authors here recapitulate important features of Hamilton’s study, but then synthesize it by rephrasing the study’s significance and relating it to their own work.
Keep your own voice
While the literature review presents others’ ideas, your voice (the writer’s) should remain front and center. Notice that Falk and Mills weave references to other sources into their own text, but they still maintain their own voice by starting and ending the paragraph with their own ideas and their own words. The sources support what Falk and Mills are saying.
Use caution when paraphrasing
When paraphrasing a source that is not your own, be sure to represent the author’s information or opinions accurately and in your own words. In the preceding example, Falk and Mills either directly refer in the text to the author of their source, such as Hamilton, or they provide ample notation in the text when the ideas they are mentioning are not their own, for example, Gastil’s. For more information, please see our handout on plagiarism.
Revise, revise, revise
Draft in hand? Now you’re ready to revise. Spending a lot of time revising is a wise idea, because your main objective is to present the material, not the argument. So check over your review again to make sure it follows the assignment and/or your outline. Then, just as you would for most other academic forms of writing, rewrite or rework the language of your review so that you’ve presented your information in the most concise manner possible. Be sure to use terminology familiar to your audience; get rid of unnecessary jargon or slang. Finally, double check that you’ve documented your sources and formatted the review appropriately for your discipline. For tips on the revising and editing process, see our handouton revising drafts.
We consulted these works while writing the original version of this handout. This is not a comprehensive list of resources on the handout’s topic, and we encourage you to do your own research to find the latest publications on this topic. Please do not use this list as a model for the format of your own reference list, as it may not match the citation style you are using. For guidance on formatting citations, please see the UNC Libraries citation tutorial.
Anson, Chris M. and Robert A. Schwegler, The Longman Handbook for Writers and Readers. Second edition. New York: Longman, 2000.
Jones, Robert, Patrick Bizzaro, and Cynthia Selfe. The Harcourt Brace Guide to Writing in the Disciplines. New York: Harcourt Brace, 1997.
Lamb, Sandra E. How to Write It: A Complete Guide to Everything You’ll Ever Write. Berkeley, Calif.: Ten Speed Press, 1998.
Rosen, Leonard J. and Laurence Behrens. The Allyn and Bacon Handbook. Fourth edition. Boston: Allyn and Bacon, 2000.
Troyka, Lynn Quitman. Simon and Schuster Handbook for Writers. Upper Saddle River, N.J.: Prentice Hall, 2002.
Information collected from The Writing Center, University of North Carolina at Chapel Hill, with permission.
Please note, the 7th edition of the APA includes some changes from the previous edition. Changes are indicated below by highlight.
A title page is required for all APA Style papers, unless noted otherwise by your professor. Students should follow the guidelines fo their instructor when determining which title page format is mst appropriate to use. If not instructed otherwise, students should include the following elements on the title page.
NOTE: Student title pages do not require a running head, unlike a professional title page.
University attended, including department or division
Course number and name
Assignment due date
When the author's name appears in the sentence, it does not need to be repeated in the citation.
Recent literature has examined long-run price drifts following initial public offerings and other factors (Luna, 2020).
Luna (2020) reaches more or less the same conclusion.
Two or more sources within same parentheses
Order the citations of two or more works by different authors within the same parentheses alphabetically in the same order in which they appear in the reference list (including citations that would otherwise shorten to et al.). Separate the citations with semicolons.
Several studies (Adams et al., 2019; Shumway & Shulman, 2015; Westinghouse, 2017))...
For people with osteoarthritis, "painful joints should be moved through a full range of motion every day to maintain flexibility and to slow deterioration of cartilage" (Flores, 2019, p. 20).
(Gecht-Silver & Duncombe, 2015, p. 210)
More than three authors
(Smith et al., 2014, p. 203)
(Title Page #)
(Plagiarism and You 1942)
("Five Ways to Protect Yourself" 1993)
No page number
Because the material does not include page numbers, you can include any of the following in the text to cite the quotation:
(Anderson, 2013, para. 1).
Start the reference list on a new page after the txt and before any tables, figures, and/or appendices. Label the reference list "References," capitalized, in bold, and centered.
Double-space all reference list entries (including between and within references).
Use a hanging indent for all references, meaning that the first line of each reference is flush left and subsequent lines are indented by 0.5 in.
Works are listed in alphabetical order by the last name of the first listed author.
Last name, Initials. (Year). Article title, sentence style capitalization. Journal title, volume(issue, if available), pages. URL, if no DOI available
Ahmann, E. (2018). A descriptive review of ADHD coaching research: Implications for college students. Journal of Postsecondary Education and Disability, 31(1), 17-39. https://www.ahead.org/professional-resources/publications/jped/archived-jped/jped-volume-31
Journal article with multiple authors
Last name, Initials., & Last name, Initials. (Year). Article title, sentence style capitalization. Journal title, volume(issue, if available), pages. URL, if no DOI available
McCauley, S. M., & Christiansen, M. H. (2019). Language learning as language use: A cross-linguistic model of child language development. Psychological Review, 126(1), 1-51. https://doi.org/10.1037/rev0000126
When a source has twenty-two or more authors, include first twenty-one … last listed author.
Kalnay, E., Kanamitsu, M., Kitler, R., Collins, W., Deaven, D., Gandin, L., Iredell, M., Saha, S., White, G., Woolen, J., Zhu, Y., Chelliah, M., Ebisuzaki, W., Higgins, W., Janowiak, J., Mo, K. C., Ropelewski, C., Wang, J., Leetman, A., . . . Joseph, D. (1996). The NCEP/NCAR 40-year reanalysis project. Bulletin of the americna Meteorological Society, 77(3), 437-471. http://doi.org/fg6rf9
Last name, Intials. (Year). Title, sentence style capitalization. Publisher's name.
Burgess, R. (2019). rethinking global health: Frameworks of power. Routledge.
Books with multiple authors
Last name, Initials, & Last name, Initials. (Year). Title, sentence style capitalization (edition, if available). Publisher's name.
Christian, B., & Griffiths, T. (2016). algorithms to live by: The computer science of human decisions. Henry Holt and Co.
Chapter in edited book
Last name, Initials. (Year). Chapter title, sentence style capitalization. In Editor (eds.), Title, sentence style capitalization (pages). Publisher's name.
Weinstock, R., Leong, G., & Silva, J. A. (2003). Defining forensic psychiatry: Roles and responsibilities. In R. Rosner (Ed.), Principles and practice of forensic psychiatry (2nd ed., pp. 7-13). CRC Press.
Name v. Name, Volume Source Page (Court Date)
Lessard v. Schmidt, 349 F. Supp. 1078 (E.D. Wis. 1972)
To cite the reference in text, give the case name, in italics, and the year.
Name v. Name (Year)
(Name v. Name, Year)
Lessard v. Schmidt (1972)
(Lessard v. Schmidt, 1972)
In APA Style, most legal materials are cited in the standard legal citation style used for legal references across all disciplines.
A statute is a law or act passed by a legislative body. As with court decisions, statutes exist on both the federal and state levels, such as an act by Congress or by a state government.
Name of Act, Title Source § Section Number (Year). URL
Every Student Succeeds Act, 20 U.S.C. § 6301 (2015). https://www.congress.gov/114/plaws/publ95/PLAW-114publ95.pdf
The in-text citation format for a federal statute is similar to that for other APA Style references. Cite the name of the statute and the year.
Family and Medical Leave Act of 1993 (2006)
(Family and Medical Leave Act of 1993, 2006)
Last name, Initials, & Last name, Initials. (Year). Title, sentence style capitalization (Report number, if available). Publisher's name.URL.
National Cancer Institute. (2018). Facing forward: Life after cancer treatment (NIH Publication No. 18-2424). U.S. Department of Health and Human Services, National Institutes of Health. https://www.cancer.gov/publications/patient-education/life-after-treatment.pdf
Last name, Initials. (Year). Title, sentence style capitalization. Journal name, volume, starting page.
Martin, L. H. (1991). Case worker liability for the negligent handling of child abuse reports. University of Cincinnati Law Review, 60, 191.
Last name, Initials, & Last name, Initials. (Year, month day). Title, sentence style capitalization. Newspaper name. URL
Guariano, B. (2017), December 4). How will humanity react to alien life? Psychologists have some predictions. The Washington Post. https://www.washingtonpost.com/news/speaking-of-science/wp/2017/12/04/how-will-humanity-react-to-alien-life-psychologists-have-some-predictions
Author or organization name. (Date of publication, if available). Webpage title. URL
Center for Disease Control and Prevention. (2018, January 23). People at high risk of developing flu-related complications. https://www.cdc.gov/flu/about/disease/high_risk.htm
When no date is listed
Author or organization name. (n.d.). Webpage title. URL
National Nurses United. (n.d.). What employers should do to protect nurses from Zika. https://www.nationalnursesunited.org/pages/what-employers-should-do-to-protect-rns-from-zika
Account name. (Date of publication). Video name [Video]. Webpage title. URL
Asian Boss. (2020, June 5). World’s leading vaccine expert fact-checks COVID-19 vaccine conspiracy: Stay curious #22 [Video]. YouTube. https://www.youtube.com/watch?v=WQdLDMLrYIA
(Asian Boss, 2020; Harvard University, 2019)
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