Dyfyniad APA

Postel, S. Last oasis: Facing water scarcity (First edition.).

Dyfyniad Arddull Chicago

Postel, Sandra. Last Oasis: Facing Water Scarcity. First edition.

Dyfyniad MLA

Postel, Sandra. Last Oasis: Facing Water Scarcity. First edition.

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