1. Allard, S. (2008). Out of reach: Place, poverty and the New American welfare state. New Haven: Yale University Press.
2. Bonoli, G. (2006). New social risks and the politics of post-industrial social policies. In K. Armingeon & G. Bonoli (Eds.), The politics of post-industrial welfare states: Adapting post-war social policies to new social risks. London: Routledge.
3. Briggs, A. (2000). The welfare state in historical perspective. In C. Pierson & F. G. Castles (Eds.), The welfare state reader. Cambridge: Polity Press.
4. Crepaz, M. (2008). Trust beyond borders. In Immigration, the welfare state and identity in modern societies. Ann Arbor: The University of Michigan Press.
5. Esping-Anderson, G. (1990). The three worlds of welfare capitalism. Cambridge: Polity Press.