APA

California Department of Motor Vehicles, California Office of Traffic Safety, . (1986). An evaluation of the impact of a warning letter for first time DUI offenders. Sacramento, CA: California Department of Motor Vehicles.

Chicago

California Department of Motor Vehicles, California Office of Traffic Safety, . 1986. An evaluation of the impact of a warning letter for first time DUI offenders. Sacramento, CA: California Department of Motor Vehicles.

Harvard

California Department of Motor Vehicles, California Office of Traffic Safety, . (1986). An evaluation of the impact of a warning letter for first time DUI offenders. Sacramento, CA: California Department of Motor Vehicles.

MLA

California Department of Motor Vehicles, California Office of Traffic Safety, . An evaluation of the impact of a warning letter for first time DUI offenders. Sacramento, CA: California Department of Motor Vehicles. 1986.