World Health Organization. (1999). Guidelines for drinking-water quality, volume 3: Surveillance and control of community supplies (2nd ed.). World Health Organization.
Chicago (17e ed.) BronvermeldingWorld Health Organization. Guidelines for Drinking-water Quality, Volume 3: Surveillance and Control of Community Supplies. 2nd ed. Geneva: World Health Organization, 1999.
MLA (8e ed.) BronvermeldingWorld Health Organization. Guidelines for Drinking-water Quality, Volume 3: Surveillance and Control of Community Supplies. 2nd ed. World Health Organization, 1999.
Let op: Deze citaties zijn niet altijd 100% accuraat.