Não informado. (1949). Yearbook of medicine. Year Book Medical Publishers.
Chicago-Zitierstil (17. Ausg.)Não informado. Yearbook of Medicine. Chicago, Ill: Year Book Medical Publishers, 1949.
MLA-Zitierstil (8. Ausg.)Não informado. Yearbook of Medicine. Year Book Medical Publishers, 1949.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.