Dyfyniad APA

Guilbert, J. M., & Park, C. F. (1986). The geology of ore deposits (1a. ed.). Waveland Press Inc.

Dyfyniad Arddull Chicago

Guilbert, John M., and Charles F. Park. The Geology of Ore Deposits. 1a. ed. Long Grove: Waveland Press Inc, 1986.

Dyfyniad MLA

Guilbert, John M., and Charles F. Park. The Geology of Ore Deposits. 1a. ed. Waveland Press Inc, 1986.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.