Butterfield, A. (2009). The familiar enemy: Chaucer, language, and nation in the Hundred Years War. Oxford University Press.
芝加哥风格引文Butterfield, Ardis. The Familiar Enemy: Chaucer, Language, and Nation in the Hundred Years War. Oxford ; New York: Oxford University Press, 2009.
MLA引文Butterfield, Ardis. The Familiar Enemy: Chaucer, Language, and Nation in the Hundred Years War. Oxford University Press, 2009.
警告：这些引文格式不一定是100％准确.