Tham khảo An_sinh_xã_hội

  1. “Universal Declaration of Human Rights”. Plain language version. United Nations. Truy cập ngày 20 tháng 4 năm 2012. Art 22. "22 The society in which you live should help you to develop and to make the most of all the advantages (culture, work, social welfare) which are offered to you and to all the men and women in your country." 
  2. Britannica.com
  3. PBS.org
  4. Robert Henry Nelson (2001). "Economics as religión: from Samuelson to Chicago and beyond". Penn State Press. p.103. ISBN 0-271-02095-4
  5. "Chapter1: Charity and Welfare", the American Academy of Research Historians of Medieval Spain.
  6. 1 2 Crone, Patricia (2005). Medieval Islamic Political Thought. Edinburgh University Press. tr. 308–9. ISBN 0-7486-2194-6
  7. Shadi Hamid (tháng 8 năm 2003). “An Islamic Alternative? Equality, Redistributive Justice, and the Welfare State in the Caliphate of Umar”. Renaissance: Monthly Islamic Journal 13 (8).  (xem trực tuyến)
  8. The Poor Laws of England tại EH.Net
  9. Liberal Reforms tại Bitesize của BBC.
  10. 'Debating Social Protection' Devereux, S and Sabates-Wheeler, R. (2007) IDS Bulletin 38.3, Brighton: Institute of Development Studies