Crundwell, F. (2011). Extractive metallurgy of nickel, cobalt and platinum-group metals. Elsevier.
Dyfyniad Arddull ChicagoCrundwell, Frank. Extractive Metallurgy of Nickel, Cobalt and Platinum-group Metals. Oxford: Elsevier, 2011.
Dyfyniad MLACrundwell, Frank. Extractive Metallurgy of Nickel, Cobalt and Platinum-group Metals. Elsevier, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.