Landau, L., & Lifshitz, E. M. (1987). Classical theory of fields (4th rev. ed.). Butterworth Heinenann.
Dyfyniad Arddull ChicagoLandau, L.D, and E. M. Lifshitz. Classical Theory of Fields. 4th rev. ed. Oxford: Butterworth Heinenann, 1987.
Dyfyniad MLALandau, L.D, and E. M. Lifshitz. Classical Theory of Fields. 4th rev. ed. Butterworth Heinenann, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.