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. (1983). Progress report on maintenance and operations personnel. Transportation Research Board.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)National Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel và American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. Progress Report on Maintenance and Operations Personnel. Washington, D.C: Transportation Research Board, 1983.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)National Research Council (U.S.). Transportation Research Board. Committee on Maintenance and Operations Personnel và American Association of State Highway and Transportation Officials. Subcommittee on Maintenance. Progress Report on Maintenance and Operations Personnel. Transportation Research Board, 1983.