Coker, A. J. (1983). Electric wiring domestic (8th ed.). Butterworths.
Dyfyniad Arddull ChicagoCoker, A J. Electric Wiring Domestic. 8th ed. London: Butterworths, 1983.
Dyfyniad MLACoker, A J. Electric Wiring Domestic. 8th ed. Butterworths, 1983.
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