Taking sides: clashing views on political issues
edited by George McKenna, Stanley Feingold
McGraw-Hill, 2013
 Buku Teks SO
Right wing populism in Europe : politics and discourse
edited by Ruth Wodak, Majid Khosravinik and Brigite Mral
Bloomsbury, 2013
 Buku Teks SO
Taking sides : closhing views on controversial social issues / edited, Kurt Finsterbusch, George McKenna
The Dushkin Publishing Group, Inc., 1992
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Wilson, Frank L.
The French democratic Left 1963-1969 : toward a modern party system
Stanford University Press, 1971
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Warburton, Nigel, 1962-
Reading political philosophy: Machiavelli to Mill
Routledge, 2000
 Buku Teks SO