APA (7e ed.) Bronvermelding

Não informado. (1974). Communication and broadcasting. Marconi Communication Systems.

Chicago (17e ed.) Bronvermelding

Não informado. Communication and Broadcasting. Chelmsford, Inglaterra: Marconi Communication Systems, 1974.

MLA (8e ed.) Bronvermelding

Não informado. Communication and Broadcasting. Marconi Communication Systems, 1974.

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