Não informado. (1993). International Poultry Production. Positive Action Publications.
Chicagoスタイル(17版)引用形式Não informado. International Poultry Production. Driffield, Inglaterra: Positive Action Publications, 1993.
MLA(8版)引用形式Não informado. International Poultry Production. Positive Action Publications, 1993.
警告: この引用は必ずしも正確ではありません.