National Automobile Chamber of Commerce, Automobile Manufacturers Association, & Motor Vehicle Manufacturers Association of the United States. (1934). Automobile facts and figures. National Automobile Chamber of Commerce.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNational Automobile Chamber of Commerce, Automobile Manufacturers Association, और Motor Vehicle Manufacturers Association of the United States. Automobile Facts and Figures. Detroit: National Automobile Chamber of Commerce, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNational Automobile Chamber of Commerce, et al. Automobile Facts and Figures. National Automobile Chamber of Commerce, 1934.
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