Não informado. (1980). Agri-Practice. Veterinary Practice Publishing.
Chicagoスタイル(17版)引用形式Não informado. Agri-Practice. Santa Barbara, Calif: Veterinary Practice Publishing, 1980.
MLA(8版)引用形式Não informado. Agri-Practice. Veterinary Practice Publishing, 1980.
警告: この引用は必ずしも正確ではありません.