International energy agency. (2002). World energy outlook 2002. Organisation economic cooperation and development.
Chicago (17e ed.) BronvermeldingInternational energy agency. World Energy Outlook 2002. France: Organisation economic cooperation and development, 2002.
MLA (9e ed.) BronvermeldingInternational energy agency. World Energy Outlook 2002. Organisation economic cooperation and development, 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.