Carter, M., & Gregorich, E. (2009). Soil Sampling and Methods of Analysis, Second Edition. CRC Press.
Trích dẫn kiểu ChicagoCarter, M.R., và E.G Gregorich. Soil Sampling and Methods of Analysis, Second Edition. CRC Press, 2009.
Deismireacht MLACarter, M.R., và E.G Gregorich. Soil Sampling and Methods of Analysis, Second Edition. CRC Press, 2009.
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