Não informado. (1971). Archives. American College of Veterinary Surgeons.
Chicagoスタイル(17版)引用形式Não informado. Archives. Golden, Colo: American College of Veterinary Surgeons, 1971.
MLA(8版)引用形式Não informado. Archives. American College of Veterinary Surgeons, 1971.
警告: この引用は必ずしも正確ではありません.