Dyfyniad APA

Pritchett, W. (1979). Properties and management of forest soils. John Wiley and Sons.

Dyfyniad Arddull Chicago

Pritchett, W.L. Properties and Management of Forest Soils. New York: John Wiley and Sons, 1979.

Dyfyniad MLA

Pritchett, W.L. Properties and Management of Forest Soils. John Wiley and Sons, 1979.

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