Cochrane, W. W. (1993). The development of American agriculture: A historical analysis (2nd ed.). University of Minnesota Press.
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Chicago Style (17th ed.) Zitazioa
Cochrane, Willard Wesley. The Development of American Agriculture: A Historical Analysis. 2nd ed. Minneapolis: University of Minnesota Press, 1993.
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MLA (9th ed.) Zitazioa
Cochrane, Willard Wesley. The Development of American Agriculture: A Historical Analysis. 2nd ed. University of Minnesota Press, 1993.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.