Dyfyniad APA

Cooke, R., & Warren, A. (1993). Desert geomorphology. Research Press.

Dyfyniad Arddull Chicago

Cooke, Ron, and Andrew.Goudie,Andrew Warren. Desert Geomorphology. New Delhi: Research Press, 1993.

Dyfyniad MLA

Cooke, Ron, and Andrew.Goudie,Andrew Warren. Desert Geomorphology. Research Press, 1993.

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