APA

U.S. Department of Transportation, Federal Highway Administration, . (1993). An examination of transportation industry productivity measures. Highway-related transportation industry productivity measures symposium held November 19-20, 1992 in Arlington, Virginia. Summary of proceedings. Washington DC: U.S. Department of Transportation.

Chicago

U.S. Department of Transportation, Federal Highway Administration, . 1993. An examination of transportation industry productivity measures. Highway-related transportation industry productivity measures symposium held November 19-20, 1992 in Arlington, Virginia. Summary of proceedings. Washington DC: U.S. Department of Transportation.

Harvard

U.S. Department of Transportation, Federal Highway Administration, . (1993). An examination of transportation industry productivity measures. Highway-related transportation industry productivity measures symposium held November 19-20, 1992 in Arlington, Virginia. Summary of proceedings. Washington DC: U.S. Department of Transportation.

MLA

U.S. Department of Transportation, Federal Highway Administration, . An examination of transportation industry productivity measures. Highway-related transportation industry productivity measures symposium held November 19-20, 1992 in Arlington, Virginia. Summary of proceedings. Washington DC: U.S. Department of Transportation. 1993.