ebrary, Inc, Villa, P., & Brun, S. (2009). Comparative effectiveness of medical treatments. Nova Science Publishers, Inc..
芝加哥风格引文ebrary, Inc, Peter Villa, 与 Sophia Brun. Comparative Effectiveness of Medical Treatments. New York: Nova Science Publishers, Inc., 2009.
MLA引文ebrary, Inc, et al. Comparative Effectiveness of Medical Treatments. Nova Science Publishers, Inc., 2009.
警告：这些引文格式不一定是100％准确.