National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, & Bahar, G. B. (2004). Safety evaluation of permanent raised pavement markers. Transportation Research Board.
Chicago Style (17th ed.) CitationNational Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, and Geni Brafman Bahar. Safety Evaluation of Permanent Raised Pavement Markers. Washington, D.C: Transportation Research Board, 2004.
ציטוט MLANational Cooperative Highway Research Program, et al. Safety Evaluation of Permanent Raised Pavement Markers. Transportation Research Board, 2004.