United States. Bureau of Foreign and Domestic Commerce. (1930). 1st Quarter 1930. GPO.
Chicago Style (17th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. 1st Quarter 1930. [Washington]: GPO, 1930.
MLA (9th ed.) CitationUnited States. Bureau of Foreign and Domestic Commerce. 1st Quarter 1930. GPO, 1930.
Warning: These citations may not always be 100% accurate.