National Research Council (U.S.). Transportation Research Board & National Research Council (U.S.). Transportation Research Board. Meeting. (2003). Statistical methods and modeling and safety data, analysis, and evaluation. Transportation Research Board.
Chicago-referens (17:e uppl.)National Research Council (U.S.). Transportation Research Board och National Research Council (U.S.). Transportation Research Board. Meeting. Statistical Methods and Modeling and Safety Data, Analysis, and Evaluation. Washington, D.C: Transportation Research Board, 2003.
MLA-referens (9:e uppl.)National Research Council (U.S.). Transportation Research Board och National Research Council (U.S.). Transportation Research Board. Meeting. Statistical Methods and Modeling and Safety Data, Analysis, and Evaluation. Transportation Research Board, 2003.