Dyfyniad APA

MORGAN, R. (1986). Soil erosion and ITS control. VNR.

Dyfyniad Arddull Chicago

MORGAN, R.P.C. Soil Erosion and ITS Control. New York: VNR, 1986.

Dyfyniad MLA

MORGAN, R.P.C. Soil Erosion and ITS Control. VNR, 1986.

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