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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAmerican Association of State Highway and Transportation Officials, National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, এবং 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.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAmerican 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.