Cita APA

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Coal information 2009: With 2008 data. OECD/IEA.

Citación estilo Chicago

Organisation for Economic Co-operation and Development and ProQuest (Firm). Coal Information 2009: With 2008 Data. Paris, France: OECD/IEA, 2009.

Cita MLA

Organisation for Economic Co-operation and Development and ProQuest (Firm). Coal Information 2009: With 2008 Data. OECD/IEA, 2009.

Warning: These citations may not always be 100% accurate.