Rosenqvist, T. (1983). Principles of extractive metallurgy (2a. ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoRosenqvist, Terkel. Principles of Extractive Metallurgy. 2a. ed. Singapur: McGraw-Hill, 1983.
Dyfyniad MLARosenqvist, Terkel. Principles of Extractive Metallurgy. 2a. ed. McGraw-Hill, 1983.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.