Lua APA (7ú heag.)
International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2006). Belgium 2005 review. OECD/IEA.
Lua i Stíl Chicago (17ú heag.)
International Energy Agency, Organisation for Economic Co-operation and Development, agus ProQuest (Firm). Belgium 2005 Review. Paris: OECD/IEA, 2006.
Lua MLA (9ú heag.)
International Energy Agency, et al. Belgium 2005 Review. OECD/IEA, 2006.
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