(2003). Water for people. Water for life: The United Nations World Water Development Report.
Cita Chicago (17th ed.)Water for People. Water for Life: The United Nations World Water Development Report. 2003.
Cita MLA (9th ed.)Water for People. Water for Life: The United Nations World Water Development Report. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.