1. Ahtonen, A., & Dhéret, C. (2010). Is the new European strategy on target? Challenge Europe, 20.
2. Auwers, T. (2011). The horizontal social clause and social mainstreaming in the EU The Horizontal Social Clause as a call for intensified cooperation and exchange of knowledge through the Commission? Impact Assessment. Retrieved Nov. 2010 from: http://www.socialsecurity.fgov.be/eu/docs/agenda/26-27_10_10_sia_en.pdf. Web. 19 Nov. 2011.
3. Barrosso, J.M. (2009). “Beyond the crisis: reconciling growth, well-being and citizen's perceptions”. Well-Being 2030 project Inaugural Conference [Conference]. European Policy Centre. 27 Oktober 2009.
4. Barbier, J.C. (2011). Changes in political discourse from the Lisbon Strategy to Europe 2020: tracing the fate of ‘social policy’ Brussels: ETUI Working Paper.
5. Bergh, J. van den., (2007). Abolishing GDP. Tinbergen Institute Discussion Paper TI-2007 09/13.