APA (7e ed.) Bronvermelding

Não informado. (1930). Advertising Age: International newspaper of marketing. Crain Communications.

Chicago (17e ed.) Bronvermelding

Não informado. Advertising Age: International Newspaper of Marketing. Chicago, Ill: Crain Communications, 1930.

MLA (8e ed.) Bronvermelding

Não informado. Advertising Age: International Newspaper of Marketing. Crain Communications, 1930.

Let op: Deze citaties zijn niet altijd 100% accuraat.