ebrary, Inc, & Strohm, P. (2007). Middle English. Oxford University Press.
芝加哥风格引文ebrary, Inc, 与 Paul Strohm. Middle English. Oxford ; New York: Oxford University Press, 2007.
MLA引文ebrary, Inc, 与 Paul Strohm. Middle English. Oxford University Press, 2007.
警告：这些引文格式不一定是100％准确.