Henderson, B. (2010). Why does God let it happen? Chrysalis Books.
芝加哥风格引文Henderson, Bruce. Why Does God Let It Happen? West Chester, Pa.: Chrysalis Books, 2010.
MLA引文Henderson, Bruce. Why Does God Let It Happen? Chrysalis Books, 2010.
警告：这些引文格式不一定是100％准确.