World health Organization UNICEF. (2000). Global water supply and sanitation assessment 2000 report. World HealthOrganization.
Chicago-Zitierstil (17. Ausg.)World health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. United States of America: World HealthOrganization, 2000.
MLA-Zitierstil (8. Ausg.)World health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. World HealthOrganization, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.