APA (7e ed.) Bronvermelding

Não informado. (1980). Yearbook of orthopedics. Year Book Medical Publishers.

Chicago (17e ed.) Bronvermelding

Não informado. Yearbook of Orthopedics. Chicago, Ill: Year Book Medical Publishers, 1980.

MLA (8e ed.) Bronvermelding

Não informado. Yearbook of Orthopedics. Year Book Medical Publishers, 1980.

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