United States. Bureau of Foreign and Domestic Commerce. (1930). 1929 world production and export of automobiles. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. 1929 World Production and Export of Automobiles. [Washington]: GPO, 1930.
MLA (9th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. 1929 World Production and Export of Automobiles. GPO, 1930.
Warning: These citations may not always be 100% accurate.