Tohutoro APA (7th ed.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Coal information 2009: With 2008 data. OECD/IEA.
Tohutoru Kātū Chicago (17th ed.)
Organisation for Economic Co-operation and Development me ProQuest (Firm). Coal Information 2009: With 2008 Data. Paris, France: OECD/IEA, 2009.
Tohutoro MLA (9th ed.)
Organisation for Economic Co-operation and Development me ProQuest (Firm). Coal Information 2009: With 2008 Data. OECD/IEA, 2009.
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