Não informado. (2002). Cattle Practice. British Cattle Veterinary Association.
Chicagoスタイル(17版)引用形式Não informado. Cattle Practice. Gloucestershire, Inglaterra: British Cattle Veterinary Association, 2002.
MLA(8版)引用形式Não informado. Cattle Practice. British Cattle Veterinary Association, 2002.
警告: この引用は必ずしも正確ではありません.