Jordan, T. D. (1980). A handbook of gravity-flow water systems: For small communities. Intermediate Technology.
Lua i Stíl Chicago (17ú heag.)Jordan, Thomas D. A Handbook of Gravity-flow Water Systems: For Small Communities. London: Intermediate Technology, 1980.
Lua MLA (8ú heag.)Jordan, Thomas D. A Handbook of Gravity-flow Water Systems: For Small Communities. Intermediate Technology, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.