Cita APA (7a ed.)

International Energy Agency. (2006). World energy outlook 2006. OECD/IEA.

Cita Chicago Style (17a ed.)

International Energy Agency. World Energy Outlook 2006. Paris: OECD/IEA, 2006.

Cita MLA (9a ed.)

International Energy Agency. World Energy Outlook 2006. OECD/IEA, 2006.