Dyfyniad APA

Hunt, C. B. (1972). Geology of soils: Their evolution, classification and uses. San Francisco: W. H. Freeman.

Dyfyniad Arddull Chicago

Hunt, Charles B. Geology of Soils: Their Evolution, Classification and Uses. San Francisco: W. H. Freeman, 1972.

Dyfyniad MLA

Hunt, Charles B. Geology of Soils: Their Evolution, Classification and Uses. San Francisco: W. H. Freeman, 1972.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.