International energy agency. (2002). World energy outlook 2002. Organisation economic cooperation and development.
Citazione stile Chigago Style (17a edizione)International energy agency. World Energy Outlook 2002. France: Organisation economic cooperation and development, 2002.
Citatione MLA (9a ed.)International energy agency. World Energy Outlook 2002. Organisation economic cooperation and development, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.