Clark, P. (2009). European cities and towns: 400-2000. Oxford University Press.
芝加哥风格引文Clark, Peter. European Cities and Towns: 400-2000. Oxford ; New York: Oxford University Press, 2009.
MLA引文Clark, Peter. European Cities and Towns: 400-2000. Oxford University Press, 2009.
警告：这些引文格式不一定是100％准确.