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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLIU C L. ELEMENTS OF DISCRETE MATHEMATICS 2ND ED. 2ND ED. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLIU C L. ELEMENTS OF DISCRETE MATHEMATICS 2ND ED. 2ND ED. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1985.
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