APA (7th ed.) Zitazioa
ebrary, Inc, Evans, C. H., & Ildstad, S. T. (2001). Small clinical trials: Issues and challenges. National Academy Press.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, Charles H. Evans, eta Suzanne T. Ildstad. Small Clinical Trials: Issues and Challenges. Washington, D.C.: National Academy Press, 2001.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Small Clinical Trials: Issues and Challenges. National Academy Press, 2001.
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