Não informado. (1930). Advertising Age: International newspaper of marketing. Crain Communications.
Chicagoスタイル(17版)引用形式Não informado. Advertising Age: International Newspaper of Marketing. Chicago, Ill: Crain Communications, 1930.
MLA(8版)引用形式Não informado. Advertising Age: International Newspaper of Marketing. Crain Communications, 1930.
警告: この引用は必ずしも正確ではありません.