Não informado. (1950). Circuit: Electrical radio and television monthly. Electrical and Radio Federation.
Chicago (17e ed.) BronvermeldingNão informado. Circuit: Electrical Radio and Television Monthly. Melbourne, Australia: Electrical and Radio Federation, 1950.
MLA (8e ed.) BronvermeldingNão informado. Circuit: Electrical Radio and Television Monthly. Electrical and Radio Federation, 1950.
Let op: Deze citaties zijn niet altijd 100% accuraat.