APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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