Rao, S. S. (2008). Switchgear protection and power systems: Theory, practice and solved problems (13th ed.). Khanna Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRao, Sunil S. Switchgear Protection and Power Systems: Theory, Practice and Solved Problems. 13th ed. Delhi: Khanna Publishers, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRao, Sunil S. Switchgear Protection and Power Systems: Theory, Practice and Solved Problems. 13th ed. Khanna Publishers, 2008.
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