Não informado. (2000). Transactions of the Philadelphia Academy of Surgery. Philadelphia Academy of Surgery.
Chicago-referens (17:e uppl.)Não informado. Transactions of the Philadelphia Academy of Surgery. Philadelphia, Pa: Philadelphia Academy of Surgery, 2000.
MLA-referens (8:e uppl.)Não informado. Transactions of the Philadelphia Academy of Surgery. Philadelphia Academy of Surgery, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.