FOTH, H. D. (1980). Soil geography and land use,. John Wiley.
Cita Chicago (17th ed.)FOTH, Henry D. Soil Geography and Land Use,. New York: John Wiley, 1980.
Cita MLA (9th ed.)FOTH, Henry D. Soil Geography and Land Use,. John Wiley, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.