Bredero, A. (1994). Christendom and Christianity in the middle ages. William B. Eerdmans Publishing Company.
芝加哥风格引文Bredero, Adriaan. Christendom and Christianity in the Middle Ages. Michigan: William B. Eerdmans Publishing Company, 1994.
MLA引文Bredero, Adriaan. Christendom and Christianity in the Middle Ages. William B. Eerdmans Publishing Company, 1994.
警告：这些引文格式不一定是100％准确.