APA引文

International Energy Agency, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2008). Coal information: With 2007 data. OECD/IEA.

Chicago Style (17th ed.) Citation

International Energy Agency, Organisation for Economic Co-operation and Development, and ProQuest (Firm). Coal Information: With 2007 Data. Paris: OECD/IEA, 2008.

MLA引文

International Energy Agency, et al. Coal Information: With 2007 Data. OECD/IEA, 2008.