APA

U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs, . (1980). Profile of the '80's. Washington DC: U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs.

Chicago

U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs, . 1980. Profile of the '80's. Washington DC: U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs.

Harvard

U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs, . (1980). Profile of the '80's. Washington DC: U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs.

MLA

U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs, . Profile of the '80's. Washington DC: U.S. Department of Transportation. Assistant Secretary for Policy and International Affairs. 1980.