Não informado. (1960). Journal of Small Animal Practice. British Small Animal Veterinary Association.
Chicago-referens (17:e uppl.)Não informado. Journal of Small Animal Practice. Gloucestershire, Inglaterra: British Small Animal Veterinary Association, 1960.
MLA-referens (8:e uppl.)Não informado. Journal of Small Animal Practice. British Small Animal Veterinary Association, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.