Agger, L. (1971). Introduction to electricity. Oxford University.
Dyfyniad Arddull ChicagoAgger, L.T. Introduction to Electricity. London: Oxford University, 1971.
Dyfyniad MLAAgger, L.T. Introduction to Electricity. Oxford University, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.