Não informado. (1960). International advertiser. International Advertising Association.
Chicago (17e ed.) BronvermeldingNão informado. International Advertiser. New York: International Advertising Association, 1960.
MLA (8e ed.) BronvermeldingNão informado. International Advertiser. International Advertising Association, 1960.
Let op: Deze citaties zijn niet altijd 100% accuraat.