APA (7th ed.) Zitazioa
ebrary, Inc, Schjønning, P., Elmholt, S., & Christensen, B. T. (2004). Managing soil quality: Challenges in modern agriculture. CABI Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, P. Schjønning, S. Elmholt, eta B. T. Christensen. Managing Soil Quality: Challenges in Modern Agriculture. Wallingford, Oxon ; Cambridge, MA: CABI Pub., 2004.
MLA (9th ed.) Zitazioa
ebrary, Inc, et al. Managing Soil Quality: Challenges in Modern Agriculture. CABI Pub., 2004.
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