Não informado. (1959). Advances in small animal practice. British Small Animal Veterinary Association.
Chicago-referens (17:e uppl.)Não informado. Advances in Small Animal Practice. Oxford, Inglaterra: British Small Animal Veterinary Association, 1959.
MLA-referens (8:e uppl.)Não informado. Advances in Small Animal Practice. British Small Animal Veterinary Association, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.