Griffiths, D. J. (1989). Introduction to electrodynamics (2nd ed.). Prentice Hall.
Dyfyniad Arddull ChicagoGriffiths, David J. Introduction to Electrodynamics. 2nd ed. Englewood Cliffs, N.J.: Prentice Hall, 1989.
Dyfyniad MLAGriffiths, David J. Introduction to Electrodynamics. 2nd ed. Prentice Hall, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.