Nehls, G. (1988). Christians answer muslims. Evangelical Mission Press.
芝加哥风格引文Nehls, Gerhard. Christians Answer Muslims. Bellville: Evangelical Mission Press, 1988.
MLA引文Nehls, Gerhard. Christians Answer Muslims. Evangelical Mission Press, 1988.
警告：这些引文格式不一定是100％准确.