Chalmers, B., & Humerothery, W. (1971). Progress in materials science. Pergamon Press.
Dyfyniad Arddull ChicagoChalmers, Bruce, and W. Humerothery. Progress in Materials Science. Oxford: Pergamon Press, 1971.
Dyfyniad MLAChalmers, Bruce, and W. Humerothery. Progress in Materials Science. Pergamon Press, 1971.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.