United States. Bureau of Foreign Commerce. American Republics Division. (1956). Investment in Cuba: Basic information for United States businessmen. U.S. Dept. of Commerce, Bureau of Foreign Commerce.
Chicago Style aipamenaUnited States. Bureau of Foreign Commerce. American Republics Division. Investment in Cuba: Basic Information for United States Businessmen. Washington: U.S. Dept. of Commerce, Bureau of Foreign Commerce, 1956.
MLA aipamenaUnited States. Bureau of Foreign Commerce. American Republics Division. Investment in Cuba: Basic Information for United States Businessmen. U.S. Dept. of Commerce, Bureau of Foreign Commerce, 1956.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.