Vandeman, G. E. (1987). Showdown at Armagedon. Pacific Press Publishing Association.
芝加哥风格引文Vandeman, George E. Showdown at Armagedon. Boise, Idaho: Pacific Press Publishing Association, 1987.
MLA引文Vandeman, George E. Showdown at Armagedon. Pacific Press Publishing Association, 1987.
警告：这些引文格式不一定是100％准确.