Não informado. (2002). FDA Veterinarian. Food and Drug Administration, Center for Veterinary Medicine.
Chicago (17e ed.) BronvermeldingNão informado. FDA Veterinarian. Rockville, Md: Food and Drug Administration, Center for Veterinary Medicine, 2002.
MLA (8e ed.) BronvermeldingNão informado. FDA Veterinarian. Food and Drug Administration, Center for Veterinary Medicine, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.