APA

U.S. Department of Transportation, National Highway Traffic Safety Administration, . (1982). Preliminary breath testing for drinking-driving enforcement. Washington DC: U.S. Department of Transportation.

Chicago

U.S. Department of Transportation, National Highway Traffic Safety Administration, . 1982. Preliminary breath testing for drinking-driving enforcement. Washington DC: U.S. Department of Transportation.

Harvard

U.S. Department of Transportation, National Highway Traffic Safety Administration, . (1982). Preliminary breath testing for drinking-driving enforcement. Washington DC: U.S. Department of Transportation.

MLA

U.S. Department of Transportation, National Highway Traffic Safety Administration, . Preliminary breath testing for drinking-driving enforcement. Washington DC: U.S. Department of Transportation. 1982.