Sommerfeld, A. (1950). Electrodynamics: Lectures on theoretical physics, v.3. Academic Press.
Dyfyniad Arddull ChicagoSommerfeld, Arnold. Electrodynamics: Lectures on Theoretical Physics, V.3. New York: Academic Press, 1950.
Dyfyniad MLASommerfeld, Arnold. Electrodynamics: Lectures on Theoretical Physics, V.3. Academic Press, 1950.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.