Smedshaug, C. A. (2010). Feeding the world in the 21st century: A historical analysis of agriculture and society. Anthem Press.
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Chicago Style (17th ed.) Zitazioa
Smedshaug, Christian Anton. Feeding the World in the 21st Century: A Historical Analysis of Agriculture and Society. New York, New York: Anthem Press, 2010.
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MLA (9th ed.) Zitazioa
Smedshaug, Christian Anton. Feeding the World in the 21st Century: A Historical Analysis of Agriculture and Society. Anthem Press, 2010.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.