Dyfyniad APA

Parsons, A. J., & Abrahams, A. D. (2009). GeomorphologyofDesert Environments. Springer.

Dyfyniad Arddull Chicago

Parsons, Anthony J., và Athol D. Abrahams. GeomorphologyofDesert Environments. Springer, 2009.

Dyfyniad MLA

Parsons, Anthony J., và Athol D. Abrahams. GeomorphologyofDesert Environments. Springer, 2009.

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