World Bank. (2000). Groundwater in rural development: Facing the challenges of supply and resource sustainability. World Bank.
Lua i Stíl Chicago (17ú heag.)World Bank. Groundwater in Rural Development: Facing the Challenges of Supply and Resource Sustainability. Washington, D.C.: World Bank, 2000.
Lua MLA (9ú heag.)World Bank. Groundwater in Rural Development: Facing the Challenges of Supply and Resource Sustainability. World Bank, 2000.