Cover, Robert (1986) 'Violence and the Word', Yale Law Journal95: 1601-29.
2.
Green, T.H. (1967) Lectures on the Principles of Political Obligation , Ann Arbor: University of Michigan Press.
3.
Rawls, John (1993) Political Liberalism, New York : Columbia University Press.
4.
Scanlon, T.M. (1982) 'Contractualism and Utilitarianism', in Amartya Sen and Bernard Williams (eds) Utilitarianism and Beyond, Cambridge : Cambridge University Press.
5.
Williams, Bernard (1993) Shame and Necessity, Berkeley : University of California Press.