European Commission: Standard Eurobarometer 81. Spring 2014. European Citizenship. Survey conducted by TNS opinion & social at the request of the European Commission Directorate-General Communication. Survey coordinated by the European Commission, Directorate-General Communication 'Strategy, Corporate Communication Actions and Eurobarometer' Unit. Brussels, July 2014.
European Commission: Standard Eurobarometer 81. Spring 2014. Europeans, the European Union and the crisis. Survey conducted by TNS opinion & social at the request of the European Commission Directorate-General Communication. Survey coordinated by the European Commission, Directorate-General Communication 'Strategy, Corporate Communication Actions and Eurobarometer' Unit. Brussels, July 2014.
European Commission: Standard Eurobarometer 81. Spring 2014. Europe 2020. Survey conducted by TNS opinion & social at the request of the European Commission Directorate-General Communication. Survey coordinated by the European Commission, Directorate-General Communication 'Strategy, Corporate Communication Actions and Eurobarometer' Unit. Brussels, July 2014.
European Commission: Standard Eurobarometer 81. Spring 2014. Public opinion in the European Union. Survey conducted by TNS opinion & social at the request of the European Commission Directorate-General Communication. Survey coordinated by the European Commission, Directorate-General Communication 'Strategy, Corporate Communication Actions and Eurobarometer' Unit. Brussels, July 2014.
European Commission: Standard Eurobarometer 81. Spring 2014. Living conditions in the European Union. Survey conducted by TNS opinion & social at the request of the European Commission Directorate-General Communication. Survey coordinated by the European Commission, Directorate-General Communication 'Strategy, Corporate Communication Actions and Eurobarometer' Unit. Brussels, July 2014.