Não informado. (2003). Water Resources Bulletin. American Water Resources Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Water Resources Bulletin. Herndon, Va: American Water Resources Association, 2003.
Lua MLA (8ú heag.)Não informado. Water Resources Bulletin. American Water Resources Association, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.