National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, Pennsylvania State University. Dept. of Civil Engineering, Jovanis, P., & Gross, F. (2006). Core competencies for highway safety professionals. Transportation Research Board.
Citazione stile Chigago Style (17a edizione)National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, Pennsylvania State University. Dept. of Civil Engineering, Paul Jovanis, e Frank Gross. Core Competencies for Highway Safety Professionals. Washington, D.C: Transportation Research Board, 2006.
Citatione MLA (9a ed.)National Research Council (U.S.). Transportation Research Board, et al. Core Competencies for Highway Safety Professionals. Transportation Research Board, 2006.