United States Tariff Commission. (1920). Agricultural staples and tariff: Production, trade, and foreign competition, with special reference to Canada; wheat and wheat flour, oats and oatmeal, barley and barley malt, flaxseed and linseed oil, potatoes, hay. GPO.
Chicago Style (17th ed.) CitationUnited States Tariff Commission. Agricultural Staples and Tariff: Production, Trade, and Foreign Competition, with Special Reference to Canada; Wheat and Wheat Flour, Oats and Oatmeal, Barley and Barley Malt, Flaxseed and Linseed Oil, Potatoes, Hay. [Washington]: GPO, 1920.
MLA (9th ed.) CitationUnited States Tariff Commission. Agricultural Staples and Tariff: Production, Trade, and Foreign Competition, with Special Reference to Canada; Wheat and Wheat Flour, Oats and Oatmeal, Barley and Barley Malt, Flaxseed and Linseed Oil, Potatoes, Hay. GPO, 1920.