1John Rawls,A Theory of Justice (revised edition), Harvard university press, 1999.
2F. A. Hayek, Law, Legislation and Liberty, Routledge & Kegan Paul Ltd. 1982, vol. 1, p. 2.
3Michael Dean McGinnis ed., Polycentricity and Local Public Economies:Readings from the Workshop in Political Theory and Policy Analysis( Institutional Analysis)1999.
