Não informado. (2002). Veterinary times. Veterinary Business Development.
Chicago (17e ed.) BronvermeldingNão informado. Veterinary Times. Peterborough, Inglaterra: Veterinary Business Development, 2002.
MLA (8e ed.) BronvermeldingNão informado. Veterinary Times. Veterinary Business Development, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.