World health Organization UNICEF. (2000). Global water supply and sanitation assessment 2000 report. World HealthOrganization.
Chicago-referens (17:e uppl.)World health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. United States of America: World HealthOrganization, 2000.
MLA-referens (8:e uppl.)World health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. World HealthOrganization, 2000.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.