National Research Council (U.S.). Committee on Coal Research, Technology, and Resource Assessments to Inform Energy Policy, National Academies Press (U.S.), & ebrary, Inc. (2007). Coal: Research and development to support national energy policy. National Academies Press.
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Čikaški stil citiranja (17. izdanje)
National Research Council (U.S.). Committee on Coal Research, Technology, and Resource Assessments to Inform Energy Policy, National Academies Press (U.S.), i Inc ebrary. Coal: Research and Development to Support National Energy Policy. Washington, D.C.: National Academies Press, 2007.
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MLA način citiranja (9. izdanje)
National Research Council (U.S.). Committee on Coal Research, Technology, and Resource Assessments to Inform Energy Policy, et al. Coal: Research and Development to Support National Energy Policy. National Academies Press, 2007.
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