APA aipamena

World health Organization UNICEF. (2000). Global water supply and sanitation assessment 2000 report. World HealthOrganization.

Chicago Style aipamena

World health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. United States of America: World HealthOrganization, 2000.

MLA aipamena

World health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. World HealthOrganization, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.