Roger Leslie Timings (1927-. (1995). Engineering materials; Vol.2. London: Longman.
Dyfyniad Arddull ChicagoRoger Leslie Timings (1927-. Engineering Materials; Vol.2. London: Longman, 1995.
Dyfyniad MLARoger Leslie Timings (1927-. Engineering Materials; Vol.2. London: Longman, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.