ebrary, Inc, Kelley, W. N., & Randolph, M. A. (1994). Career in clinical research: Obstacles and opportunities. National Academy Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)ebrary, Inc, William N. Kelley, και Mark A. Randolph. Career in Clinical Research: Obstacles and Opportunities. Washington, D.C.: National Academy Press, 1994.
Παραπομπή σε μορφή MLA (9th εκδ.)ebrary, Inc, et al. Career in Clinical Research: Obstacles and Opportunities. National Academy Press, 1994.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.