United States. Office of Coal, Nuclear, Electric, and Alternate Fuels. Annual prospects for world coal trade. The Office.
Chicago Style (17th ed.) CitationUnited States. Office of Coal, Nuclear, Electric, and Alternate Fuels. Annual Prospects for World Coal Trade. Washington, D.C.: The Office.
MLA (9th ed.) CitationUnited States. Office of Coal, Nuclear, Electric, and Alternate Fuels. Annual Prospects for World Coal Trade. The Office.
Warning: These citations may not always be 100% accurate.