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. (1975). Progress report on maintenance and operations personnel. Transportation Research Board.
Chicago Style (17. basım) AtıfNational Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel ve American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. Progress Report on Maintenance and Operations Personnel. Washington, D.C: Transportation Research Board, 1975.
MLA (9th ed.) AtıfNational Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel ve American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. Progress Report on Maintenance and Operations Personnel. Transportation Research Board, 1975.