B L Theraja. (1997). Text book of electrical technolgy v.3: Transmission, distribution and utilisation (3td.). India.
Dyfyniad Arddull ChicagoB L Theraja. Text Book of Electrical Technolgy V.3: Transmission, Distribution and Utilisation. 3td. India, 1997.
Dyfyniad MLAB L Theraja. Text Book of Electrical Technolgy V.3: Transmission, Distribution and Utilisation. 3td. India, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.