National Automobile Chamber of Commerce. (1920). Facts and figures of the automobile industry. National Automobile Chamber of Commerce.
Chicagoスタイル(17版)引用形式National Automobile Chamber of Commerce. Facts and Figures of the Automobile Industry. New York: National Automobile Chamber of Commerce, 1920.
MLA(8版)引用形式National Automobile Chamber of Commerce. Facts and Figures of the Automobile Industry. National Automobile Chamber of Commerce, 1920.
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