Não informado. (2001). Small animal clinician. American Animal Hospital Association.
Chicago-referens (17:e uppl.)Não informado. Small Animal Clinician. Kansas City, Kan: American Animal Hospital Association, 2001.
MLA-referens (8:e uppl.)Não informado. Small Animal Clinician. American Animal Hospital Association, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.