Dyfyniad APA

GREENLAND, D. (1981). Characterization of soils in relation: To their classification and management for crop production. Clarendon Press.

Dyfyniad Arddull Chicago

GREENLAND, D.J. Characterization of Soils in Relation: To Their Classification and Management for Crop Production. Oxford: Clarendon Press, 1981.

Dyfyniad MLA

GREENLAND, D.J. Characterization of Soils in Relation: To Their Classification and Management for Crop Production. Clarendon Press, 1981.

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