Wilkinson, L. (1980). Earthkeeping: Christian stewardship of natural resources. Wm.B.Eerdmans.
Chicagoスタイル(17版)引用形式Wilkinson, Loren. Earthkeeping: Christian Stewardship of Natural Resources. Grand Rapids: Wm.B.Eerdmans, 1980.
MLA(9版)引用形式Wilkinson, Loren. Earthkeeping: Christian Stewardship of Natural Resources. Wm.B.Eerdmans, 1980.
警告: この引用は必ずしも正確ではありません.