WAGNER, E. G., & LANOIX, J. (1959). Water supply for rural areas and small communities. World Health Organization.
Chicago (17e ed.) BronvermeldingWAGNER, Edmund G., en J.N LANOIX. Water Supply for Rural Areas and Small Communities. Geneva: World Health Organization, 1959.
MLA (9e ed.) BronvermeldingWAGNER, Edmund G., en J.N LANOIX. Water Supply for Rural Areas and Small Communities. World Health Organization, 1959.
Let op: Deze citaties zijn niet altijd 100% accuraat.