National Automobile Chamber of Commerce. (1920). Facts and figures of the automobile industry. National Automobile Chamber of Commerce.
Citace podle Chicago (17th ed.)National Automobile Chamber of Commerce. Facts and Figures of the Automobile Industry. New York: National Automobile Chamber of Commerce, 1920.
Citace podle MLA (8th ed.)National Automobile Chamber of Commerce. Facts and Figures of the Automobile Industry. National Automobile Chamber of Commerce, 1920.
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