Hunt, C. B. (1972). Geology of soils: Their evolution, classification and uses. W.H. Freeman and Company.
Lua i Stíl Chicago (17ú heag.)Hunt, Charles B. Geology of Soils: Their Evolution, Classification and Uses. San Francisco: W.H. Freeman and Company, 1972.
Lua MLA (9ú heag.)Hunt, Charles B. Geology of Soils: Their Evolution, Classification and Uses. W.H. Freeman and Company, 1972.
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