APA (7th ed.) Citation

SOPHER, C. D. Soils and soil management. (2nd ed.). c1980.

Chicago Style (17th ed.) Citation

SOPHER, Charles D. Soils and Soil Management. 2nd ed. Virgi-nia: c1980.

MLA (9th ed.) Citation

SOPHER, Charles D. Soils and Soil Management. 2nd ed. c1980.

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