Cook, W. C. (1974). PAL colour television for servicemen. Wren.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCook, William C. PAL Colour Television for Servicemen. Melbourne: Wren, 1974.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCook, William C. PAL Colour Television for Servicemen. Wren, 1974.
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