International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2009). Natural gas market review 2009. OECD : International Energy Agency.
Citace podle Chicago (17th ed.)International Energy Agency, Organisation for Economic Co-operation and Development, a ProQuest (Firm). Natural Gas Market Review 2009. Paris: OECD : International Energy Agency, 2009.
Citace podle MLA (9th ed.)International Energy Agency, et al. Natural Gas Market Review 2009. OECD : International Energy Agency, 2009.
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