Wilman, C. W. (1973). Electricity. Hodder and Stoughton.
Dyfyniad Arddull ChicagoWilman, C W. Electricity. London: Hodder and Stoughton, 1973.
Dyfyniad MLAWilman, C W. Electricity. Hodder and Stoughton, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.