Soil Survey Staff. (1975). Soil taxonomy: A basic system of soil classification for making and interpreting soil surveys. Soil Conservation Service.
Citace podle Chicago (17th ed.)Soil Survey Staff. Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys. Washington, D.C: Soil Conservation Service, 1975.
Citace podle MLA (9th ed.)Soil Survey Staff. Soil Taxonomy: A Basic System of Soil Classification for Making and Interpreting Soil Surveys. Soil Conservation Service, 1975.
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