Não informado. (1980). Yearbook of orthopedics. Year Book Medical Publishers.
Cita Chicago Style (17a ed.)Não informado. Yearbook of Orthopedics. Chicago, Ill: Year Book Medical Publishers, 1980.
Cita MLA (8a ed.)Não informado. Yearbook of Orthopedics. Year Book Medical Publishers, 1980.
Precaución: Estas citas no son 100% exactas.