European Commission : Directorate-General for Economic and Financial Affairs. (2008). The 2009 Ageing report: Underlying assumptions and projection methodologies for the EU- 27 Member States (2007- 2060). Luxembourg: Office for Official Publications of the European Communities.

European Commission : Directorate-General for Economic and Financial Affairs. The 2009 Ageing Report: Underlying Assumptions and Projection Methodologies for the EU- 27 Member States (2007- 2060). Luxembourg: Office for Official Publications of the European Communities, 2008.

European Commission : Directorate-General for Economic and Financial Affairs. The 2009 Ageing Report: Underlying Assumptions and Projection Methodologies for the EU- 27 Member States (2007- 2060). Luxembourg: Office for Official Publications of the European Communities, 2008.