International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Oil information 2009: With 2008 data = Donnees sur le petrole. OECD : International Energy Agency.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)International Energy Agency, Organisation for Economic Co-operation and Development, ба ProQuest (Firm). Oil Information 2009: With 2008 Data = Donnees Sur Le Petrole. Paris: OECD : International Energy Agency, 2009.
MLA -ийн эшлэл (9 дэх хэвлэлт)International Energy Agency, et al. Oil Information 2009: With 2008 Data = Donnees Sur Le Petrole. OECD : International Energy Agency, 2009.
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