Παραπομπή σε μορφή APA (7η εκδ.)

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

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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