APA (7e ed.) Bronvermelding

U.S. Departament of Transportation. (1980). Safety design and operational practices for streets and highways. U.S. Departament of Transportation.

Chicago (17e ed.) Bronvermelding

U.S. Departament of Transportation. Safety Design and Operational Practices for Streets and Highways. Washington, D.C: U.S. Departament of Transportation, 1980.

MLA (9e ed.) Bronvermelding

U.S. Departament of Transportation. Safety Design and Operational Practices for Streets and Highways. U.S. Departament of Transportation, 1980.