Singh, I. B. (1983). Telecommunications in the year 2000: National and international perspectives. Ablex Pub. Corp..
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Chicago-čujuhus (17. p.)
Singh, Indu Bhushan. Telecommunications in the Year 2000: National and International Perspectives. Norwood, N.J.: Ablex Pub. Corp., 1983.
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MLA-čujuhus (9. p.)
Singh, Indu Bhushan. Telecommunications in the Year 2000: National and International Perspectives. Ablex Pub. Corp., 1983.
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