International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2008). IEA energy policies review: The European Union - 2008. OECD/IEA.
Chicago-Zitierstil (17. Ausg.)International Energy Agency, Organisation for Economic Co-operation and Development, und ProQuest (Firm). IEA Energy Policies Review: The European Union - 2008. Paris: OECD/IEA, 2008.
MLA-Zitierstil (9. Ausg.)International Energy Agency, et al. IEA Energy Policies Review: The European Union - 2008. OECD/IEA, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.