European Commission. (2006). The committee of the Regions and the implementation and monitoring of the principles of subsidiarity and proportionality in the light of the constitution for Europe. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleEuropean Commission. The Committee of the Regions and the Implementation and Monitoring of the Principles of Subsidiarity and Proportionality in the Light of the Constitution for Europe. Luxembourg: Office for Official Publications of the European Communities, 2006.
Παραπομπή MLAEuropean Commission. The Committee of the Regions and the Implementation and Monitoring of the Principles of Subsidiarity and Proportionality in the Light of the Constitution for Europe. Luxembourg: Office for Official Publications of the European Communities, 2006.