ebrary, Inc, & Hoyt, R. S. (1968). Life and thought in the early Middle Ages. University of Minnesota Press.
芝加哥风格引文ebrary, Inc, 与 Robert S. Hoyt. Life and Thought in the Early Middle Ages. Minneapolis: University of Minnesota Press, 1968.
MLA引文ebrary, Inc, 与 Robert S. Hoyt. Life and Thought in the Early Middle Ages. University of Minnesota Press, 1968.
警告：这些引文格式不一定是100％准确.