APA (7e ed.) Bronvermelding

Não informado. (1934). American Journal of Digestive Diseases and Nutrition. American Gastro-Enterological Association.

Chicago (17e ed.) Bronvermelding

Não informado. American Journal of Digestive Diseases and Nutrition. Fort Wayne, Ind: American Gastro-Enterological Association, 1934.

MLA (8e ed.) Bronvermelding

Não informado. American Journal of Digestive Diseases and Nutrition. American Gastro-Enterological Association, 1934.

Let op: Deze citaties zijn niet altijd 100% accuraat.