Não informado. (1962). Marketing in Europe. Economist Intelligence Unit.
Chicago (17e ed.) BronvermeldingNão informado. Marketing in Europe. London: Economist Intelligence Unit, 1962.
MLA (8e ed.) BronvermeldingNão informado. Marketing in Europe. Economist Intelligence Unit, 1962.
Let op: Deze citaties zijn niet altijd 100% accuraat.