Vehicle occupancy determinators /
prepared by Barton-Aschman Associates, Inc.

APA Citation

United States. Federal Highway Administration., Arizona. Dept. of Transportation., Barton-Aschman Associates. (1989). Vehicle occupancy determinators. Phoenix, Ariz.: Arizona Department of Transportation.

MLA Citation

United States. Federal Highway Administration, Arizona. Dept. of Transportation, and Barton-Aschman Associates. Vehicle Occupancy Determinators. Phoenix, Ariz.: Arizona Department of Transportation, 1989.