United States Tariff Commission. (1939). Imports, Exports, Domestic Production, and Prices, Petroleum, Coal, Lumber, Copper, Together with Excise Taxes Collected Thereon. [s.n.].
Chicago Style (17th ed.) CitationUnited States Tariff Commission. Imports, Exports, Domestic Production, and Prices, Petroleum, Coal, Lumber, Copper, Together with Excise Taxes Collected Thereon. [Washington]: [s.n.], 1939.
MLA (9th ed.) CitationUnited States Tariff Commission. Imports, Exports, Domestic Production, and Prices, Petroleum, Coal, Lumber, Copper, Together with Excise Taxes Collected Thereon. [s.n.], 1939.
Warning: These citations may not always be 100% accurate.