ENGINEERS, I. O. T. (1993). The Traffic Safety Toolbox: A primer on traffic safety. Institute of Transportation Engineers.
Citace podle Chicago (17th ed.)ENGINEERS, INSTITUTE OF TRANSPORTATION. The Traffic Safety Toolbox: A Primer on Traffic Safety. Institute of Transportation Engineers, 1993.
Citace podle MLA (8th ed.)ENGINEERS, INSTITUTE OF TRANSPORTATION. The Traffic Safety Toolbox: A Primer on Traffic Safety. Institute of Transportation Engineers, 1993.
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