Ward , r. P. . .. (1969). Introduction to electrical engineering (3rd ed.). Prentice Hall.
Dyfyniad Arddull ChicagoWard , robert P. Introduction to Electrical Engineering. 3rd ed. New Delhi: Prentice Hall, 1969.
Dyfyniad MLAWard , robert P. Introduction to Electrical Engineering. 3rd ed. Prentice Hall, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.