American Agricultural Economics Association & ebrary, Inc. (1977). Quantitative methods in agricultural economics, 1940s to 1970s. Published by the University of Minnesota Press for the American Agricultural Economics Association.
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Chicago Style (17th ed.) Zitazioa
American Agricultural Economics Association eta Inc ebrary. Quantitative Methods in Agricultural Economics, 1940s to 1970s. Minneapolis: Published by the University of Minnesota Press for the American Agricultural Economics Association, 1977.
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MLA (9th ed.) Zitazioa
American Agricultural Economics Association eta Inc ebrary. Quantitative Methods in Agricultural Economics, 1940s to 1970s. Published by the University of Minnesota Press for the American Agricultural Economics Association, 1977.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.