Liu, C., & Evett, J. B. (1997). Soil properties: Testing, measurement, and evaluation (3rd ed.). Prentice Hall.
Chicago-viite (17. p.)Liu, Cheng, ja Jack B. Evett. Soil Properties: Testing, Measurement, and Evaluation. 3rd ed. Upper Saddle River, NJ: Prentice Hall, 1997.
MLA-viite (9. p.)Liu, Cheng, ja Jack B. Evett. Soil Properties: Testing, Measurement, and Evaluation. 3rd ed. Prentice Hall, 1997.
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