Spiro, H. M. (1970). Clinical gastroenterology. Macmillan Company.
芝加哥风格引文Spiro, Howard M. Clinical Gastroenterology. Estados Unidos: Macmillan Company, 1970.
MLA引文Spiro, Howard M. Clinical Gastroenterology. Macmillan Company, 1970.
警告：这些引文格式不一定是100％准确.