APA (7e ed.) Bronvermelding

Não informado. (1972). Electronics today international. Advertisement Office.

Chicago (17e ed.) Bronvermelding

Não informado. Electronics Today International. London: Advertisement Office, 1972.

MLA (8e ed.) Bronvermelding

Não informado. Electronics Today International. Advertisement Office, 1972.

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