APA (7 वां संस्करण) प्रशस्ति पत्र

Gupta, J. (2019). Course in Power Systems (11th.). Katson Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Gupta, J.B. Course in Power Systems. 11th. New Delhi: Katson Books, 2019.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Gupta, J.B. Course in Power Systems. 11th. Katson Books, 2019.