Witold Rybczynski, C. P. a. M. M. (1982). APPRPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION. World Bank.
Chicago (17e ed.) BronvermeldingWitold Rybczynski, Chongrak Palpreset and Michael McGrarry. APPRPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION. World Bank, 1982.
MLA (8e ed.) BronvermeldingWitold Rybczynski, Chongrak Palpreset and Michael McGrarry. APPRPRIATE TECHNOLOGY FOR WATER SUPPLY AND SANITATION. World Bank, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.