Constitutions and constitutional trends since World War II : an examination of significant aspects of postwar public law with particular reference to the new constitutions of Western Europe
edited by Arnold J. Zurcher
New York University Press, 1951
 Buku Teks SO
Gallagher, Michael
Representative government in modern Europe
McGraw-Hill, 2011
 Buku Teks SO
Political parties and electoral change : party responses to electoral markets
Sage, 2004
 Buku Teks SO
Freymond, Jacques
Western Europe since the war
Frederick A. Preager, 1964
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Bowle, John
Western political thought/ John Bowle
J. Cape, 1947
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