Gaya APA

Wilkinson, L, (. (1991). Earthkeeping in the nineties: stewardship of creation. Rev. ed. of: Earthkeeping, Christian stewardship of natural resources. 1980 . Grand Rapids: Eerdmans.

Gaya MLA

Wilkinson, Loren, (ed.). "Earthkeeping in the nineties: stewardship of creation. Rev. ed. of: Earthkeeping, Christian stewardship of natural resources. 1980 ". Grand Rapids: Eerdmans, 1991. Buku.