4Buchmueller,Thomas C. and Agnes Couffinhal,2004. Private Health Insurance in France. Paris: Organisation for Economic Cooperation and Development.
5Busse, Reinhard and Annette Riesberg, 2004. Health Care Systems in Transition: Germany. Copenhagen: WHO Regional Office for Europe on Behalf of the European Observatory on Health Systems and Policies.
6Colombo, Francesca and Nicole Tapay,2003. Private Health Insurance in Australia :A Case Study. Paris : Organisation for Economic Cooperation and Development.
7Enthoven, Alain C. , 1980. Health Plan:The Only Practical Solution to Soaring Cost of Medical Care. Reading, MA : Addison-Wesley.
8Enthoven, Alain C. ,1988. Theory and Practice of Managed Competition in Health Care Finance. Amsterdam:North-Holland.
9Folland,Sherman, Allen C. Goodman & Miron Stano, 1997. The Economics of Health and Health Care( 3rd edition). Upper Saddle River, Prentice Hall.
10Freeman, Richard ,2000. The Politics of Health in Europe. Manchester: Manchester University Press.
