National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, & Washington, S. (2006). Incorporating safety into long-range transportation planning. Transportation Research Board.
Style de citation Chicago (17e éd.)National Cooperative Highway Research Program, National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, et Simon Washington. Incorporating Safety into Long-range Transportation Planning. Washington, D.C: Transportation Research Board, 2006.
Style de citation MLA (9e éd.)National Cooperative Highway Research Program, et al. Incorporating Safety into Long-range Transportation Planning. Transportation Research Board, 2006.