Não informado. (1981). Bibliography of acute diarrhoeal diseases. National Library of Medicine.
Chicago-Zitierstil (17. Ausg.)Não informado. Bibliography of Acute Diarrhoeal Diseases. Geneva, Suíça: National Library of Medicine, 1981.
MLA-Zitierstil (8. Ausg.)Não informado. Bibliography of Acute Diarrhoeal Diseases. National Library of Medicine, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.