Não informado. (2019). Electronics and Television & Short-Wave World. Hulton Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Electronics and Television & Short-Wave World. London: Hulton Press, 2019.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Electronics and Television & Short-Wave World. Hulton Press, 2019.
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