Dyfyniad APA

Arid Land Research and Management. Cambridge University Press.

Dyfyniad Arddull Chicago

Arid Land Research and Management. Cambridge University Press.

Dyfyniad MLA

Arid Land Research and Management. Cambridge University Press.

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