Barker, J., Farmer, S., & Taylor, M. (1999). The development of accident-remedial intervention levels for rural roads. [Crowthorn]: Transport Research Laboratory.
Παραπομπή Chicago StyleBarker, J., S. Farmer, and M. Taylor. The Development of Accident-remedial Intervention Levels for Rural Roads. [Crowthorn]: Transport Research Laboratory, 1999.
Παραπομπή MLABarker, J., S. Farmer, and M. Taylor. The Development of Accident-remedial Intervention Levels for Rural Roads. [Crowthorn]: Transport Research Laboratory, 1999.
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