RADHAKRISHNAN P. (1994). CAD CAM CIM 2ND ED (2ND ED.). NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRADHAKRISHNAN P. CAD CAM CIM 2ND ED. 2ND ED. NEW DELHI: NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, 1994.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRADHAKRISHNAN P. CAD CAM CIM 2ND ED. 2ND ED. NEW AGE INTERNATIONAL (P) LIMITED, PUBLISHERS, 1994.
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