Dyfyniad APA

Stone, J. G., & Dunn, P. G. (2002). Ore reserve estimates in the real world (3rd ed.). Society of Economic Geologists.

Dyfyniad Arddull Chicago

Stone, John G., and Peter G. Dunn. Ore Reserve Estimates in the Real World. 3rd ed. Littleton, CO: Society of Economic Geologists, 2002.

Dyfyniad MLA

Stone, John G., and Peter G. Dunn. Ore Reserve Estimates in the Real World. 3rd ed. Society of Economic Geologists, 2002.

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