Bohn, H. L., McNeal, B. L., & O'Connor, G. A. (2001). Soil Chemistry (3rd ed.). John Wiley & Sons.
Tohutoru Kātū Chicago (17th ed.)Bohn, Hinrich L., Brian L. McNeal, me George A. O'Connor. Soil Chemistry. 3rd ed. Hoboken, NJ: John Wiley & Sons, 2001.
Tohutoro MLA (9th ed.)Bohn, Hinrich L., et al. Soil Chemistry. 3rd ed. John Wiley & Sons, 2001.
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