Geisler, N. (1981). Options in contemporary Christian ethics. Baker Book House.
芝加哥风格引文Geisler, Norman. Options in Contemporary Christian Ethics. Michigan: Baker Book House, 1981.
MLA引文Geisler, Norman. Options in Contemporary Christian Ethics. Baker Book House, 1981.
警告：这些引文格式不一定是100％准确.