(1985). The equipment directory of audio-visual, computer andvideo products. Suply and Distribution Center.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Equipment Directory of Audio-visual, Computer Andvideo Products. U.S.A: Suply and Distribution Center, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Equipment Directory of Audio-visual, Computer Andvideo Products. Suply and Distribution Center, 1985.
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