Aldrich, S. R., & Worthen, E. L. (1956). Farm soils: Their fertilization and management (5.). John Wiley & Sons INC.
Chicago Style aipamenaAldrich, Samuel R., and Edmund L. Worthen. Farm Soils: Their Fertilization and Management. 5. NewYork: John Wiley & Sons INC, 1956.
MLA aipamenaAldrich, Samuel R., and Edmund L. Worthen. Farm Soils: Their Fertilization and Management. 5. John Wiley & Sons INC, 1956.
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