International Academy of Proctology. (2004). American Journal of Proctology, Gastroenterology and Colon and Rectal Surgery. McMahon.
Chicago-viite (17. p.)International Academy of Proctology. American Journal of Proctology, Gastroenterology and Colon and Rectal Surgery. New York: McMahon, 2004.
MLA-viite (8. p.)International Academy of Proctology. American Journal of Proctology, Gastroenterology and Colon and Rectal Surgery. McMahon, 2004.
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