Hughes , E. . .. (1969). Electrical technology (4th ed.). Longmans green.
Dyfyniad Arddull ChicagoHughes , Edward. Electrical Technology. 4th ed. London: Longmans green, 1969.
Dyfyniad MLAHughes , Edward. Electrical Technology. 4th ed. Longmans green, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.