Nagrath, I. J., & Kothari, D. P. (1997). Electric Machines (2nd ed.). Tata McGraw Hill.
Cita Chicago (17th ed.)Nagrath, I J., i D P. Kothari. Electric Machines. 2nd ed. New Delhi: Tata McGraw Hill, 1997.
Cita MLA (9th ed.)Nagrath, I J., i D P. Kothari. Electric Machines. 2nd ed. Tata McGraw Hill, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.