Não informado. (2019). Electronics and Television & Short-Wave World. Hulton Press.
Chicago-referens (17:e uppl.)Não informado. Electronics and Television & Short-Wave World. London: Hulton Press, 2019.
MLA-referens (8:e uppl.)Não informado. Electronics and Television & Short-Wave World. Hulton Press, 2019.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.