Lua APA (7ú heag.)

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

Lua i Stíl Chicago (17ú heag.)

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

Lua MLA (9ú heag.)

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

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