Chryssochoou, Dimitris N.
Democracy in the european Union
I.B. Tauris Publishers, 2000
 Buku Teks SO
Moro, Giovanni
Citizens in Europe: civic activism and the community democratic experiment
Springer, 2012
 eBooks
Vauchez, Antoine
Democratizing Europe
Palgrave Macmillan, 2016
 Buku Teks SO
States of democracy : gender and politics in the European Union
Yvonne Galligan.
Routledge, 2015
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Draft treaty establishing a constitution for Europe: adopted by consensus by the European Convention on 13 June and 10 July 2003 : submitted to the President of the European Council in Rome
Office for Official Publications of the European Communities, 2003
 Buku Teks SO