ebrary, Inc, Plevris, J. N., & Howden, C. W. (2012). Problem-based approach to gastroenterology and hepatology. Wiley-Blackwell.
芝加哥风格引文ebrary, Inc, John N. Plevris, 与 Colin W. Howden. Problem-based Approach to Gastroenterology and Hepatology. Chichester, U.K.: Wiley-Blackwell, 2012.
MLA引文ebrary, Inc, et al. Problem-based Approach to Gastroenterology and Hepatology. Wiley-Blackwell, 2012.
警告：这些引文格式不一定是100％准确.