ebrary, Inc, & Lorenz, J. (2011). Gastrointestinal imaging. Thieme.
芝加哥风格引文ebrary, Inc, 与 Jonathan Lorenz. Gastrointestinal Imaging. New York: Thieme, 2011.
MLA引文ebrary, Inc, 与 Jonathan Lorenz. Gastrointestinal Imaging. Thieme, 2011.
警告：这些引文格式不一定是100％准确.