Ohio. Dept. of Highways, United States. Bureau of Public Roads, & Ohio State University. (1967). The effect of flashing traffic control devices on accident occurance: Study and report. Ohio Dept. of Transportation, Division of Highways, Bureau of Traffic Control.
Chicago Style (17th ed.) CitationOhio. Dept. of Highways, United States. Bureau of Public Roads, and Ohio State University. The Effect of Flashing Traffic Control Devices on Accident Occurance: Study and Report. Columbus, Ohio: Ohio Dept. of Transportation, Division of Highways, Bureau of Traffic Control, 1967.
MLA (8th ed.) CitationOhio. Dept. of Highways, et al. The Effect of Flashing Traffic Control Devices on Accident Occurance: Study and Report. Ohio Dept. of Transportation, Division of Highways, Bureau of Traffic Control, 1967.