Khan, A. S. (2006). Telecommunications fact book and illustrated dictionary (2nd ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKhan, Ahmed S. Telecommunications Fact Book and Illustrated Dictionary. 2nd ed. Clifton Park, NY: Thomson Delmar Learning, 2006.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKhan, Ahmed S. Telecommunications Fact Book and Illustrated Dictionary. 2nd ed. 2006.
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