Cita APA (7th ed.)
Nasar, S. A., & Rao, K. U. (1990). Electric power systems. Tata McGraw-hill.
Cita Chicago (17th ed.)
Nasar, Syed A., i K. Uma Rao. Electric Power Systems. New Delhi: Tata McGraw-hill, 1990.
Cita MLA (9th ed.)
Nasar, Syed A., i K. Uma Rao. Electric Power Systems. Tata McGraw-hill, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.