Não informado. (1960). Sound and vision broadcasting. Marconi's Wireless Telegraph.
Lua i Stíl Chicago (17ú heag.)Não informado. Sound and Vision Broadcasting. Chelmsford, Inglaterra: Marconi's Wireless Telegraph, 1960.
Lua MLA (8ú heag.)Não informado. Sound and Vision Broadcasting. Marconi's Wireless Telegraph, 1960.
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