Cita APA (7a ed.)

International Energy Agency. (2008). World energy outlook 2008. OECD/IEA.

Cita Chicago Style (17a ed.)

International Energy Agency. World Energy Outlook 2008. Paris: OECD/IEA, 2008.

Cita MLA (9a ed.)

International Energy Agency. World Energy Outlook 2008. OECD/IEA, 2008.