Sources of constitutional law : constitutions and fundamental legal provisions from the United States, France, Germany, the Netherlands, the United Kingdom, the ECHR and the EU
edited by Philipp Kiiver
Europa Law, 2010
 Buku Teks
Foster, Nigel
Eu Law
Oxford University Press, 2011
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Sadurski, Wojciech
Moral pluralism and legal neutrality
Kluwer Academic, 1990
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Grayson, George W.
Mexico: from corporatism to pluralism?
Thomson, 2004
 Buku Teks SO
Democracy and pluralism in Africa
edited by Dov Ronen
Lynne Rienner, 1986
 Buku Teks SO