National Research Council (U.S.). Transportation Research Board & National Research Council (U.S.). Transportation Research Board. Meeting. (2006). Traffic control devices, visibility, and rail-highway grade crossings, 2006. Transportation Research Board.
Chicago Style (17. basım) AtıfNational Research Council (U.S.). Transportation Research Board ve National Research Council (U.S.). Transportation Research Board. Meeting. Traffic Control Devices, Visibility, and Rail-highway Grade Crossings, 2006. Washington, D.C: Transportation Research Board, 2006.
MLA (9th ed.) AtıfNational Research Council (U.S.). Transportation Research Board ve National Research Council (U.S.). Transportation Research Board. Meeting. Traffic Control Devices, Visibility, and Rail-highway Grade Crossings, 2006. Transportation Research Board, 2006.