Elkus, R. J. (1991). Jtec panel on high definition systems. Maryland: National Technical Information Service.
शिकागो स्टाइल उद्धरणElkus, Richard J. Jtec Panel On High Definition Systems. Maryland: National Technical Information Service, 1991.
एमएलए उद्धरणElkus, Richard J. Jtec Panel On High Definition Systems. Maryland: National Technical Information Service, 1991.
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