American Association of State Highway and Transportation Officials, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, & Ross, H. E. (1994). Recommended practices for use of traffic barrier and control treatments for restricted work zones. Transportation Research Board, National Research Council : National Academy Press.

American Association of State Highway and Transportation Officials, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, and Hayes E. Ross. Recommended Practices for Use of Traffic Barrier and Control Treatments for Restricted Work Zones. Washington, D.C: Transportation Research Board, National Research Council : National Academy Press, 1994.

American Association of State Highway and Transportation Officials, et al. Recommended Practices for Use of Traffic Barrier and Control Treatments for Restricted Work Zones. Transportation Research Board, National Research Council : National Academy Press, 1994.