Roberts, G. K., & Hogwood, P. (2003). The politics today companion to West European politics. Manchester University Press.
芝加哥风格引文Roberts, Geoffrey K., 与 Patricia Hogwood. The Politics Today Companion to West European Politics. Manchester ; New York: Manchester University Press, 2003.
MLA引文Roberts, Geoffrey K., 与 Patricia Hogwood. The Politics Today Companion to West European Politics. Manchester University Press, 2003.
警告：这些引文格式不一定是100％准确.