Não informado. (1960). Veterinary economics. Veterinary Medicine Publishing.
Style de citation Chicago (17e éd.)Não informado. Veterinary Economics. Edwardsville, KS: Veterinary Medicine Publishing, 1960.
Style de citation MLA (8e éd.)Não informado. Veterinary Economics. Veterinary Medicine Publishing, 1960.
Attention : ces citations peuvent ne pas être correctes à 100%.