Haskins, C. H. (1955). The Renaissance of the twelfth century. World Pub.
芝加哥风格引文Haskins, Charles Homer. The Renaissance of the Twelfth Century. Cleveland: World Pub, 1955.
MLA引文Haskins, Charles Homer. The Renaissance of the Twelfth Century. World Pub, 1955.
警告：这些引文格式不一定是100％准确.