Huebner, G. G. (1919). Agricultural Commerce: The organization of american commerce in agricultural commodities. D. Appleton.
Chicago-viite (17. p.)Huebner, Grover G. Agricultural Commerce: The Organization of American Commerce in Agricultural Commodities. New York: D. Appleton, 1919.
MLA-viite (9. p.)Huebner, Grover G. Agricultural Commerce: The Organization of American Commerce in Agricultural Commodities. D. Appleton, 1919.
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