Ramsay,W.M. (1994). The letters to the seven churches (updated ed.). Hendrickson.
芝加哥风格引文Ramsay,W.M. The Letters to the Seven Churches. updated ed. Masachusetts: Hendrickson, 1994.
MLA引文Ramsay,W.M. The Letters to the Seven Churches. updated ed. Hendrickson, 1994.
警告：这些引文格式不一定是100％准确.