KEIGHLEY, M. R. B., & WILLIAMS, N. S. (1999). Surgery of the anus, rectum and colon volume one.--ed.2. W.B. Saunders.
芝加哥风格引文KEIGHLEY, Michael R. B., 与 Norman S. WILLIAMS. Surgery of the Anus, Rectum and Colon Volume One.--ed.2. London: W.B. Saunders, 1999.
MLA引文KEIGHLEY, Michael R. B., 与 Norman S. WILLIAMS. Surgery of the Anus, Rectum and Colon Volume One.--ed.2. W.B. Saunders, 1999.
警告：这些引文格式不一定是100％准确.