European Commission. (2006). The 2005 projections of age-related expenditure (2004-50) for the EU-25 Member States: Underlying assumptions and projection methodologies. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων.
Παραπομπή Chicago StyleEuropean Commission. The 2005 Projections of Age-related Expenditure (2004-50) for the EU-25 Member States: Underlying Assumptions and Projection Methodologies. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2006.
Παραπομπή MLAEuropean Commission. The 2005 Projections of Age-related Expenditure (2004-50) for the EU-25 Member States: Underlying Assumptions and Projection Methodologies. Λουξεμβούργο: Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2006.