United States Travel Data Center & United States Dept. of Transportation. (1975). Discretionary income and the personal consumption of transportation. The Center.
Chicago Style (17th ed.) CitationUnited States Travel Data Center and United States Dept. of Transportation. Discretionary Income and the Personal Consumption of Transportation. Washington, D. C: The Center, 1975.
MLA (9th ed.) CitationUnited States Travel Data Center and United States Dept. of Transportation. Discretionary Income and the Personal Consumption of Transportation. The Center, 1975.
Warning: These citations may not always be 100% accurate.