Kerr, C. (1990). Community health and sanitation. Intermediate Technology Publications.
Chicago (17e ed.) BronvermeldingKerr, Charles. Community Health and Sanitation. London: Intermediate Technology Publications, 1990.
MLA (8e ed.) BronvermeldingKerr, Charles. Community Health and Sanitation. Intermediate Technology Publications, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.