Friedrich, . H. (1986). Geology and metallogeny of copper deposits: Proceedings of the copper symposium. Springer.
Dyfyniad Arddull ChicagoFriedrich, H. Geology and Metallogeny of Copper Deposits: Proceedings of the Copper Symposium. Berlin: Springer, 1986.
Dyfyniad MLAFriedrich, H. Geology and Metallogeny of Copper Deposits: Proceedings of the Copper Symposium. Springer, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.