North, R. (2006). The origins of Beowulf: From Vergil to Wiglaf. Oxford University Press.
芝加哥风格引文North, Richard. The Origins of Beowulf: From Vergil to Wiglaf. Oxford ; New York: Oxford University Press, 2006.
MLA引文North, Richard. The Origins of Beowulf: From Vergil to Wiglaf. Oxford University Press, 2006.
警告：这些引文格式不一定是100％准确.