Não informado. (1962). CDC veterinary public health notes. Center for Disease Control, Public Health Service.
Chicago-referens (17:e uppl.)Não informado. CDC Veterinary Public Health Notes. Atlanta, Ga: Center for Disease Control, Public Health Service, 1962.
MLA-referens (8:e uppl.)Não informado. CDC Veterinary Public Health Notes. Center for Disease Control, Public Health Service, 1962.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.