Ray, M. S. (1987). The technology and applications of engineering materials. PHI.
Dyfyniad Arddull ChicagoRay, Martyn S. The Technology and Applications of Engineering Materials. London: PHI, 1987.
Dyfyniad MLARay, Martyn S. The Technology and Applications of Engineering Materials. PHI, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.