Cooper, M. M., & Willis, M. B. (1984). Profitable beef production (4a. ed.). Farming Press.
Chicagoスタイル(17版)引用形式Cooper, M. McGregor, , M. B. Willis. Profitable Beef Production. 4a. ed. Ipswich: Farming Press, 1984.
MLA(9版)引用形式Cooper, M. McGregor, , M. B. Willis. Profitable Beef Production. 4a. ed. Farming Press, 1984.
警告: この引用は必ずしも正確ではありません.