Nicholls, P. (2007). George Oppen and the fate of modernism. Oxford University Press.
芝加哥风格引文Nicholls, Peter. George Oppen and the Fate of Modernism. Oxford ; New York: Oxford University Press, 2007.
MLA引文Nicholls, Peter. George Oppen and the Fate of Modernism. Oxford University Press, 2007.
警告：这些引文格式不一定是100％准确.