Hunt, C. B. (1972). Geology of soils: Their evolution, classification and uses. W.H. Freeman and Company.
Dyfyniad Arddull ChicagoHunt, Charles B. Geology of Soils: Their Evolution, Classification and Uses. San Francisco: W.H. Freeman and Company, 1972.
Dyfyniad MLAHunt, Charles B. Geology of Soils: Their Evolution, Classification and Uses. W.H. Freeman and Company, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.