Não informado. (1972). Feed industry review. Central Retail Feed Association.
Chicagoスタイル(17版)引用形式Não informado. Feed Industry Review. Milwaukee, Wis: Central Retail Feed Association, 1972.
MLA(8版)引用形式Não informado. Feed Industry Review. Central Retail Feed Association, 1972.
警告: この引用は必ずしも正確ではありません.