Não informado. (1949). Yearbook of medicine. Year Book Medical Publishers.
Chicago (17e ed.) BronvermeldingNão informado. Yearbook of Medicine. Chicago, Ill: Year Book Medical Publishers, 1949.
MLA (8e ed.) BronvermeldingNão informado. Yearbook of Medicine. Year Book Medical Publishers, 1949.
Let op: Deze citaties zijn niet altijd 100% accuraat.