Não informado. (2008). The Year book of surgery. Year Book Medical Publishers.
Chicago-referens (17:e uppl.)Não informado. The Year Book of Surgery. Chicago, Ill: Year Book Medical Publishers, 2008.
MLA-referens (8:e uppl.)Não informado. The Year Book of Surgery. Year Book Medical Publishers, 2008.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.