National Institute for Occupational Safety and Health. (2001). Coal operator mining facts. National Institute for Occupational Safety and Health, NIOSH.
Chicago Style (17th ed.) CitationNational Institute for Occupational Safety and Health. Coal Operator Mining Facts. Pittsburgh, PA: National Institute for Occupational Safety and Health, NIOSH, 2001.
MLA (8th ed.) CitationNational Institute for Occupational Safety and Health. Coal Operator Mining Facts. National Institute for Occupational Safety and Health, NIOSH, 2001.
Warning: These citations may not always be 100% accurate.