Alpern, B., & Lemos de Sousa, M. J. (2006). Documented international enquiry on solid sedimentary fossil fuels; Coal: Definitions, classifications, reserves-resources and energy potential.
Chicago Style (17th ed.) CitationAlpern, B., and M. J. Lemos de Sousa. Documented International Enquiry on Solid Sedimentary Fossil Fuels; Coal: Definitions, Classifications, Reserves-resources and Energy Potential. 2006.
MLA (8th ed.) CitationAlpern, B., and M. J. Lemos de Sousa. Documented International Enquiry on Solid Sedimentary Fossil Fuels; Coal: Definitions, Classifications, Reserves-resources and Energy Potential. 2006.
Warning: These citations may not always be 100% accurate.