Jordan, T. D. (1980). A handbook of gravity-flow water systems: For small communities. Intermediate Technology.
Citazione stile Chigago Style (17a edizione)Jordan, Thomas D. A Handbook of Gravity-flow Water Systems: For Small Communities. London: Intermediate Technology, 1980.
Citatione MLA (8a ed.)Jordan, Thomas D. A Handbook of Gravity-flow Water Systems: For Small Communities. Intermediate Technology, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.