Bibliografia principal:
Esping-andersen, G. (1990), The Three Worlds of Welfare Capitalism, Cambridge: Polity Press.
Esping-Andersen, G. (2002), Why We Need a New Welfare State, Oxford, Oxford University Press.
Ferragina, E.; Seeleib-Keiser, M.; Spreckelsen (2014), “The Four Worlds of ‘Welfare Reality’, Social Policy and Society, 1-21.
Ferreira, S. (2004), "O papel de movimento social das organizações do terceiro sector em Portugal", Actas do V Congresso Português de Sociologia, Braga.
Garland, D. (2016), Welfare State, a very short introduction, Oxford, Oxford University Press.
Gamble, A. (2016), Can the Welfare State Survive?, Cambridge, Polity Press.
Gidron, B. & Bar, M. (eds) (2010) Policy Initiatives Towards the Third Sector in International Perspective, London, Springer.
Hespanha, P. (2008), “Políticas sociais: novas abordagens, novos desafios, Revista de Ciências Sociais, Vol. 39, nº 1, 5-15.