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.
Цитирование в стиле Чикаго (17-е изд.)National Research Council (U.S.). Transportation Research Board и 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.
Цитирование MLA (9-е изд.)National Research Council (U.S.). Transportation Research Board и National Research Council (U.S.). Transportation Research Board. Meeting. Traffic Control Devices, Visibility, and Rail-highway Grade Crossings, 2006. Transportation Research Board, 2006.