Clarke, J. I. (1995). Population environment development interactions. CICRED.
Chicago (17e ed.) BronvermeldingClarke, John I. Population Environment Development Interactions. Paris: CICRED, 1995.
MLA (9e ed.) BronvermeldingClarke, John I. Population Environment Development Interactions. CICRED, 1995.
Let op: Deze citaties zijn niet altijd 100% accuraat.