Cita APA (7a ed.)

International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2008). IEA energy policies review: The European Union - 2008. OECD/IEA.

Cita Chicago Style (17a ed.)

International Energy Agency, Organisation for Economic Co-operation and Development, y ProQuest (Firm). IEA Energy Policies Review: The European Union - 2008. Paris: OECD/IEA, 2008.

Cita MLA (9a ed.)

International Energy Agency, et al. IEA Energy Policies Review: The European Union - 2008. OECD/IEA, 2008.