Williams, D. (1962). Molecular physics. Academic Press.
Dyfyniad Arddull ChicagoWilliams, Dudley. Molecular Physics. New York: Academic Press, 1962.
Dyfyniad MLAWilliams, Dudley. Molecular Physics. Academic Press, 1962.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.