GREENLAND, D. (1981). Characterization of soils in relation: To their classification and management for crop production. Clarendon Press.
Chicago-referens (17:e uppl.)GREENLAND, D.J. Characterization of Soils in Relation: To Their Classification and Management for Crop Production. Oxford: Clarendon Press, 1981.
MLA-referens (9:e uppl.)GREENLAND, D.J. Characterization of Soils in Relation: To Their Classification and Management for Crop Production. Clarendon Press, 1981.
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