RAO, P. (1990). Manufacturing technology: Foundry, forming and welding. Tata McGraw Hill.
Dyfyniad Arddull ChicagoRAO, P.N. Manufacturing Technology: Foundry, Forming and Welding. New Delhi: Tata McGraw Hill, 1990.
Dyfyniad MLARAO, P.N. Manufacturing Technology: Foundry, Forming and Welding. Tata McGraw Hill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.