Postel, S. Last oasis: Facing water scarcity (First edition.).
Dyfyniad Arddull ChicagoPostel, Sandra. Last Oasis: Facing Water Scarcity. First edition.
Dyfyniad MLAPostel, Sandra. Last Oasis: Facing Water Scarcity. First edition.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.