Wijetilleke, L. (1995). Air Quality Management Considerations For Developing Countries Lakdasa Wijetilleke And Suhashini A.r. Karunaratne. The World Bank.
Chicago (17e ed.) BronvermeldingWijetilleke, Lakdasa. Air Quality Management Considerations For Developing Countries Lakdasa Wijetilleke And Suhashini A.r. Karunaratne. The World Bank, 1995.
MLA (8e ed.) BronvermeldingWijetilleke, Lakdasa. Air Quality Management Considerations For Developing Countries Lakdasa Wijetilleke And Suhashini A.r. Karunaratne. The World Bank, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.