Geisler, N. L. (1981). Options in contemporary christian ethics. Baker Book House.
Chicago-čujuhus (17. p.)Geisler, Norman L. Options in Contemporary Christian Ethics. Grand Rapids, MI: Baker Book House, 1981.
MLA-čujuhus (9. p.)Geisler, Norman L. Options in Contemporary Christian Ethics. Baker Book House, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.