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.
Citace podle Chicago (17th ed.)International Energy Agency, Organisation for Economic Co-operation and Development, a ProQuest (Firm). Oil Information 2009: With 2008 Data = Donnees Sur Le Petrole. Paris: OECD : International Energy Agency, 2009.
Citace podle MLA (9th ed.)International Energy Agency, et al. Oil Information 2009: With 2008 Data = Donnees Sur Le Petrole. OECD : International Energy Agency, 2009.
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