Não informado. (1978). Veterinary surgery. American College of Veterinary Surgeons.
Chicago-viite (17. p.)Não informado. Veterinary Surgery. Philadelphia, Pa: American College of Veterinary Surgeons, 1978.
MLA-viite (8. p.)Não informado. Veterinary Surgery. American College of Veterinary Surgeons, 1978.
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