Kitzinger, Uwe W.
The politics and economics of European integration : Britain, Europe, and the United States
Frederick A. Praeger, 1963
 Buku Teks SO
Gallagher, Michael
Representative government in modern Europe
McGraw-Hill, 2011
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Roberts, Geoffrey
West European politics today
Manchester University Press, 1984
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Documents On European Government
edited by Steven Muller
Macmillan, 1963
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Ward, Barbara
West-Europa in het Nauw / Barbara Ward
H. P. Leopolds Uitgeversmij N.V., 1949
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