National Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel & American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. (1986). Progress report on maintenance and operations personnel. Transportation Research Board, National Academy of Sciences.
Chicago Style (17th ed.) CitationNational Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel and American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. Progress Report on Maintenance and Operations Personnel. Washington, D.C: Transportation Research Board, National Academy of Sciences, 1986.
MLA (9th ed.) CitationNational Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel and American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. Progress Report on Maintenance and Operations Personnel. Transportation Research Board, National Academy of Sciences, 1986.