APA (7e ed.) Bronvermelding

Não informado. (1967). Educational television international. Centre for Educational Television Overseas.

Chicago (17e ed.) Bronvermelding

Não informado. Educational Television International. London: Centre for Educational Television Overseas, 1967.

MLA (8e ed.) Bronvermelding

Não informado. Educational Television International. Centre for Educational Television Overseas, 1967.

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