Postel, S. Last oasis: Facing water scarcity (First edition.).
Lua i Stíl Chicago (17ú heag.)Postel, Sandra. Last Oasis: Facing Water Scarcity. First edition.
Lua MLA (8ú heag.)Postel, Sandra. Last Oasis: Facing Water Scarcity. First edition.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.