National Research Council (U.S.). Transportation Research Board. (1990). Safety research for a changing highway environment : strategic transportation research study : highway safety: Strategic transportation research study : highway safety. Transportation Research Board, National Research Council.
Chicago Style (17th ed.) CitationNational Research Council (U.S.). Transportation Research Board. Safety Research for a Changing Highway Environment : Strategic Transportation Research Study : Highway Safety: Strategic Transportation Research Study : Highway Safety. Washington, D.C.: Transportation Research Board, National Research Council, 1990.
MLA (9th ed.) CitationNational Research Council (U.S.). Transportation Research Board. Safety Research for a Changing Highway Environment : Strategic Transportation Research Study : Highway Safety: Strategic Transportation Research Study : Highway Safety. Transportation Research Board, National Research Council, 1990.