Não informado. (1957). Canadian Journal of Surgery. Canadian Medical Association.
Chicago-referens (17:e uppl.)Não informado. Canadian Journal of Surgery. Ottawa: Canadian Medical Association, 1957.
MLA-referens (8:e uppl.)Não informado. Canadian Journal of Surgery. Canadian Medical Association, 1957.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.