Não informado. (1949). Yearbook of medicine. Year Book Medical Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Yearbook of Medicine. Chicago, Ill: Year Book Medical Publishers, 1949.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Yearbook of Medicine. Year Book Medical Publishers, 1949.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.