APA (7 वां संस्करण) प्रशस्ति पत्र
Rao, S. S. Switchgear protection and power systems: Theory, practice and solved problems (13th ed.). Khanna Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Rao, Sunil S. Switchgear Protection and Power Systems: Theory, Practice and Solved Problems. 13th ed. Delhi: Khanna Pub.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Rao, Sunil S. Switchgear Protection and Power Systems: Theory, Practice and Solved Problems. 13th ed. Khanna Pub.
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