United States. Department of Commerce and Labor. Bureau of Statistics. (1910). Schedule C: Classification of foreign countries and dependencies for use in compiling statements of imports, exports, and tonnage movement in foreign trade of U.S.; approved (date). U.S. Government Printing Office.
Chicago Style (17th ed.) CitationUnited States. Department of Commerce and Labor. Bureau of Statistics. Schedule C: Classification of Foreign Countries and Dependencies for Use in Compiling Statements of Imports, Exports, and Tonnage Movement in Foreign Trade of U.S.; Approved (date). [Washington?]: U.S. Government Printing Office, 1910.
MLA (9th ed.) CitationUnited States. Department of Commerce and Labor. Bureau of Statistics. Schedule C: Classification of Foreign Countries and Dependencies for Use in Compiling Statements of Imports, Exports, and Tonnage Movement in Foreign Trade of U.S.; Approved (date). U.S. Government Printing Office, 1910.