What Is a Literature Review? According to the sixth edition of the APA Publication Manual, a literature review is "a critical evaluation of material that has already been published." As one embarks on creating a literature review, it is important to note that the grouping of components within a literature review can be arranged according to the author's discretion. However, it is important for the author to ensure the review reflects current APA publication standards.
Grey literature is research produced by organizations or agencies and made available outside of the normal publishing channels such as in scholarly journals. Many times, it is possible to find this information on the organizational web sites or through Google searching.
Below are several organizations or agencies that have grey literature available.