ebrary, Inc, Kelley, W. N., & Randolph, M. A. (1994). Career in clinical research: Obstacles and opportunities. National Academy Press.
芝加哥风格引文ebrary, Inc, William N. Kelley, 与 Mark A. Randolph. Career in Clinical Research: Obstacles and Opportunities. Washington, D.C.: National Academy Press, 1994.
MLA引文ebrary, Inc, et al. Career in Clinical Research: Obstacles and Opportunities. National Academy Press, 1994.
警告：这些引文格式不一定是100％准确.