Não informado. (1915). Industrial marketing. Crain Communications.
Chicagoスタイル(17版)引用形式Não informado. Industrial Marketing. Chicago, Ill: Crain Communications, 1915.
MLA(8版)引用形式Não informado. Industrial Marketing. Crain Communications, 1915.
警告: この引用は必ずしも正確ではありません.