(2003). Water for people. Water for life: The United Nations World Water Development Report.
Chicago-referens (17:e uppl.)Water for People. Water for Life: The United Nations World Water Development Report. 2003.
MLA-referens (9:e uppl.)Water for People. Water for Life: The United Nations World Water Development Report. 2003.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.