Russom, G. (1998). Beowulf and old Germanic metre. Cambridge University Press.
芝加哥风格引文Russom, Geoffrey. Beowulf and Old Germanic Metre. Cambridge ; New York: Cambridge University Press, 1998.
MLA引文Russom, Geoffrey. Beowulf and Old Germanic Metre. Cambridge University Press, 1998.
警告：这些引文格式不一定是100％准确.