Não informado. (1952). Reports and Papers on Mass Communication. Unesco.
Chicago (17e ed.) BronvermeldingNão informado. Reports and Papers on Mass Communication. Paris: Unesco, 1952.
MLA (8e ed.) BronvermeldingNão informado. Reports and Papers on Mass Communication. Unesco, 1952.
Let op: Deze citaties zijn niet altijd 100% accuraat.