International Energy Agency Staff. (2012). Coal medium-term market report: 2012, Market trends and projections to 2017. OECD/IEA.
Cita Chicago Style (17a ed.)International Energy Agency Staff. Coal Medium-term Market Report: 2012, Market Trends and Projections to 2017. [Paris]: OECD/IEA, 2012.
Cita MLA (9a ed.)International Energy Agency Staff. Coal Medium-term Market Report: 2012, Market Trends and Projections to 2017. OECD/IEA, 2012.
Precaución: Estas citas no son 100% exactas.