Organisation for Economic Co-operation and Development, OECD (Paris, France). (2013). Coal: Medium-term market report 2013 : market trends and projections to 2018. OECD. https://doi.org/10.1787/mtrcoal-2013-en
Citácia podle Chicago (17th ed.)Organisation for Economic Co-operation and Development, OECD (Paris, France). Coal: Medium-term Market Report 2013 : Market Trends and Projections to 2018. Paris: OECD, 2013. https://doi.org/10.1787/mtrcoal-2013-en.
Citácia podľa MLA (8th ed.)Organisation for Economic Co-operation and Development, OECD (Paris, France). Coal: Medium-term Market Report 2013 : Market Trends and Projections to 2018. OECD, 2013. https://doi.org/10.1787/mtrcoal-2013-en.
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