APA-viite (7. p.)

ebrary, Inc, Evans, C. H., & Ildstad, S. T. (2001). Small clinical trials: Issues and challenges. National Academy Press.

Chicago-viite (17. p.)

ebrary, Inc, Charles H. Evans, ja Suzanne T. Ildstad. Small Clinical Trials: Issues and Challenges. Washington, D.C.: National Academy Press, 2001.

MLA-viite (9. p.)

ebrary, Inc, et al. Small Clinical Trials: Issues and Challenges. National Academy Press, 2001.