Singh, S. N. (2008). Electric power generation, transmission and distribution (2nd ed.). Prentice-Hall of India.
Dyfyniad Arddull ChicagoSingh, S N. Electric Power Generation, Transmission and Distribution. 2nd ed. New Delhi: Prentice-Hall of India, 2008.
Dyfyniad MLASingh, S N. Electric Power Generation, Transmission and Distribution. 2nd ed. Prentice-Hall of India, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.