Não informado. (1974). Independent broadcasting. Independent Broadcasting Authority.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Independent Broadcasting. London: Independent Broadcasting Authority, 1974.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Independent Broadcasting. Independent Broadcasting Authority, 1974.
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