International Energy Agency & ProQuest (Firm). (2009). IEA scoreboard 2009: 35 key energy trends over 35 years. OECD/IEA.
Tohutoru Kātū Chicago (17th ed.)International Energy Agency me ProQuest (Firm). IEA Scoreboard 2009: 35 Key Energy Trends over 35 Years. Paris: OECD/IEA, 2009.
Tohutoro MLA (9th ed.)International Energy Agency me ProQuest (Firm). IEA Scoreboard 2009: 35 Key Energy Trends over 35 Years. OECD/IEA, 2009.
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