Não informado. (1978). Veterinary surgery. American College of Veterinary Surgeons.
Cita Chicago Style (17a ed.)Não informado. Veterinary Surgery. Philadelphia, Pa: American College of Veterinary Surgeons, 1978.
Cita MLA (8a ed.)Não informado. Veterinary Surgery. American College of Veterinary Surgeons, 1978.
Precaución: Estas citas no son 100% exactas.