D. Arter, Parties and Democracy in the Post-Soviet Republics. The Case Estonia, 1996.

J. Hall, The nature of civil society, Social Science and Modern Society, 1998.
DOI : 10.1007/BF02686380

J. Hughes, G. Sasse, and C. Gordon, Europeanisation and Regionalization in the EU,s enlargement Central and Eastern Europe, The Myth of Conditionality, 2004.

D. Coen and C. Dannreuther, Differentiated Europeanisation: Large and small firms in the EU policy process in a book The politics of Europeanisation, 2003.

R. Dahl, Democracy and its critics, 1989.

R. Dahl, On democracy, 1999.

J. Danziger, Understanding the political world, 2001.

R. J. Grote and A. Lang, Europeanisation and Organisational Change in National Trade Associations: An Organisational Ecology perspective The Politics of Europeanisation, 2003.

H. F. French, World Watch Paper 99. Green Revolutions: Environmental Reconstruction in Eastern Europe and the Soviet Union, World Watch Institute, 1990.

P. Sabatier, Interest groups. Membership and Organisation. Multiple theories in a book The politics of interests, Interest groups transformed, 1992.

. B. Ametiühingute-näide, . Work, and . Tartu-university, Sources The Center for study of public policy of the University of Aberdeen/ Scottland (http://www.cspp.strath.ac.uk/index.html?estelec.html) Economic Commission for Europe / Committee on Environmental Policy (CEP) Estonian Green Movement ? FoE http