Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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