National Research Council (U.S.). Transportation Research Board & National Research Council (U.S.). Transportation Research Board. Meeting. (2003). Freeways, high-occupancy vehicle systems, and traffic signal systems 2003. Transportation Research Board.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Research Council (U.S.). Transportation Research Board و National Research Council (U.S.). Transportation Research Board. Meeting. Freeways, High-occupancy Vehicle Systems, and Traffic Signal Systems 2003. Washington, D.C: Transportation Research Board, 2003.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)National Research Council (U.S.). Transportation Research Board و National Research Council (U.S.). Transportation Research Board. Meeting. Freeways, High-occupancy Vehicle Systems, and Traffic Signal Systems 2003. Transportation Research Board, 2003.