Manterfield, R. J. (1999). Telecommunications signalling. Institution of Electrical Engineers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रManterfield, Richard J. Telecommunications Signalling. London: Institution of Electrical Engineers, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रManterfield, Richard J. Telecommunications Signalling. Institution of Electrical Engineers, 1999.
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