ebrary, Inc, & Forum on Sustainable Agriculture and Natural Resource Management. (1991). Toward sustainability: A plan for collaborative research on agriculture and natural resource management. National Academy Press.
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Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Forum on Sustainable Agriculture and Natural Resource Management. Toward Sustainability: A Plan for Collaborative Research on Agriculture and Natural Resource Management. Washington, D.C.: National Academy Press, 1991.
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MLA (9th ed.) Zitazioa
ebrary, Inc, eta Forum on Sustainable Agriculture and Natural Resource Management. Toward Sustainability: A Plan for Collaborative Research on Agriculture and Natural Resource Management. National Academy Press, 1991.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.