LONGO, D. L., & Pendit, B. U. (2014). Harrison's Gastroentrology & hepatology. EGC.
芝加哥风格引文LONGO, Dan L., 与 Brahm. U. Pendit. Harrison's Gastroentrology & Hepatology. EGC, 2014.
MLA引文LONGO, Dan L., 与 Brahm. U. Pendit. Harrison's Gastroentrology & Hepatology. EGC, 2014.
警告：这些引文格式不一定是100％准确.