APA-viite (7. p.)
Organisation for Economic C0-operation and Development, International Energy Agency, & ProQuest (Firm). (2009). World energy outlook. OECD/IEA.
Chicago-viite (17. p.)
Organisation for Economic C0-operation and Development, International Energy Agency, ja ProQuest (Firm). World Energy Outlook. Paris: OECD/IEA, 2009.
MLA-viite (9. p.)
Organisation for Economic C0-operation and Development, et al. World Energy Outlook. OECD/IEA, 2009.
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