24 and 25 September 2004", Castle of Schengen, Luxembourg Institute for European and International Studies OECD – Social Expenditure database (SOCX) Website Guardian Special Report – State Benefits
24 and ngày 25 tháng 9 năm 2004", Castle of Schengen, Luxembourg Institute for European and International Studies OECD - Social Expenditure database (SOCX) Website Guardian Special Report - State Benefits