World health Organization UNICEF. (2000). Global water supply and sanitation assessment 2000 report. World HealthOrganization.
Chicago (17e ed.) BronvermeldingWorld health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. United States of America: World HealthOrganization, 2000.
MLA (8e ed.) BronvermeldingWorld health Organization UNICEF. Global Water Supply and Sanitation Assessment 2000 Report. World HealthOrganization, 2000.
Let op: Deze citaties zijn niet altijd 100% accuraat.