National Gastroenterological Association (U.S.)\nNational Society for the Advancement of Gastroenterology\nSociety for the Advancement of Gastroenterology. (1934). Review of Gastroenterology. National Society for the Advancement of Gastroenterology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Gastroenterological Association (U.S.)\nNational Society for the Advancement of Gastroenterology\nSociety for the Advancement of Gastroenterology. Review of Gastroenterology. New York: National Society for the Advancement of Gastroenterology, 1934.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Gastroenterological Association (U.S.)\nNational Society for the Advancement of Gastroenterology\nSociety for the Advancement of Gastroenterology. Review of Gastroenterology. National Society for the Advancement of Gastroenterology, 1934.