Dyfyniad APA

Carge, D. N., & Mallery, B. F. (1974). Man and his geologic environment. Addison Wesley.

Dyfyniad Arddull Chicago

Carge, David N., and Bob F. Mallery. Man and His Geologic Environment. Reading: Addison Wesley, 1974.

Dyfyniad MLA

Carge, David N., and Bob F. Mallery. Man and His Geologic Environment. Addison Wesley, 1974.

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