United States Tariff Commission. (1922). Preferential transportation rates and their relation to import and export traffic of U.S. GPO.
Chicago Style (17th ed.) CitationUnited States Tariff Commission. Preferential Transportation Rates and Their Relation to Import and Export Traffic of U.S. [Washington]: GPO, 1922.
MLA (9th ed.) CitationUnited States Tariff Commission. Preferential Transportation Rates and Their Relation to Import and Export Traffic of U.S. GPO, 1922.
Warning: These citations may not always be 100% accurate.