(1993). Soil biota, nutrient cycling, and farming systems. Boca Raton: Lewis Publishers.
Čikaški stil citiranjaSoil Biota, Nutrient Cycling, and Farming Systems. Boca Raton: Lewis Publishers, 1993.
MLA način citiranjaSoil Biota, Nutrient Cycling, and Farming Systems. Boca Raton: Lewis Publishers, 1993.
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