Dyfyniad APA

Wilkinson, L. (1980). Earthkeeping: Christian stewardship of natural resources. Wm.B.Eerdmans.

Dyfyniad Arddull Chicago

Wilkinson, Loren. Earthkeeping: Christian Stewardship of Natural Resources. Grand Rapids: Wm.B.Eerdmans, 1980.

Dyfyniad MLA

Wilkinson, Loren. Earthkeeping: Christian Stewardship of Natural Resources. Wm.B.Eerdmans, 1980.

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