1. Ayres, I., & Braithwaite, J. (1992). Responsive regulation. Transcending the deregulation debate. Oxford: Oxford University Press.
2. Baldwin, R., & Cave, M. (1999). Understanding regulation. Theory, strategy and practice. Oxford: Oxford University Press.
3. Boyer, R., & Saillard, Y. (2002). Regulation theory. The state of the art. London: Routledge.
4. Boyne, G., Farrell, C., Law, J., Powell, M., & Walker, M. (2003). Evaluating public management reforms. Buckingham: Open University Press.
5. Care Quality Commission: NHS performance ratings (2008/2009). An overview of the performance of NHS trusts in England, October, 2009, http://www.cqc.org.uk/ .