Chan, A., & Altman, D. (2003). Epidemiology of recent randomised controlled trials.
芝加哥风格引文Chan, A., 与 D. Altman. Epidemiology of Recent Randomised Controlled Trials. 2003.
MLA引文Chan, A., 与 D. Altman. Epidemiology of Recent Randomised Controlled Trials. 2003.
警告：这些引文格式不一定是100％准确.