National Research Council (U.S.). Transportation Research Board & National Symposium on the Disadvantaged Business Enterprise Program in State and Federal Highway Contracting. (1995). Summary and research needs statements from the National Symposium on the Disadvantaged Business Enterprise Program in State and Federal Highway Contracting. Transportation Research Board, National Research Council.
Chicago-viite (17. p.)National Research Council (U.S.). Transportation Research Board ja National Symposium on the Disadvantaged Business Enterprise Program in State and Federal Highway Contracting. Summary and Research Needs Statements from the National Symposium on the Disadvantaged Business Enterprise Program in State and Federal Highway Contracting. Washington, D.C: Transportation Research Board, National Research Council, 1995.
MLA-viite (9. p.)National Research Council (U.S.). Transportation Research Board ja National Symposium on the Disadvantaged Business Enterprise Program in State and Federal Highway Contracting. Summary and Research Needs Statements from the National Symposium on the Disadvantaged Business Enterprise Program in State and Federal Highway Contracting. Transportation Research Board, National Research Council, 1995.