Não informado. (2008). The Year book of general surgery. Year Book Medical Publishers.
Cita Chicago Style (17a ed.)Não informado. The Year Book of General Surgery. Chicago, Ill: Year Book Medical Publishers, 2008.
Cita MLA (8a ed.)Não informado. The Year Book of General Surgery. Year Book Medical Publishers, 2008.
Precaución: Estas citas no son 100% exactas.