APA (7e ed.) Bronvermelding

(2012). Progress on drinking water and sanitation. UNICEF and World Health Organization.

Chicago (17e ed.) Bronvermelding

Progress on Drinking Water and Sanitation. New York: UNICEF and World Health Organization, 2012.

MLA (8e ed.) Bronvermelding

Progress on Drinking Water and Sanitation. UNICEF and World Health Organization, 2012.

Let op: Deze citaties zijn niet altijd 100% accuraat.