Não informado. (1930). Advertising Age: International newspaper of marketing. Crain Communications.
Citação do estilo Chicago (17ª ed.)Não informado. Advertising Age: International Newspaper of Marketing. Chicago, Ill: Crain Communications, 1930.
Citação MLA (8ª ed.)Não informado. Advertising Age: International Newspaper of Marketing. Crain Communications, 1930.
警告：這些引文格式不一定是100％准確.