[1]
Ferrari, G.R.F. et al. 2000. The republic. Cambridge University Press.
[2]
Harrison, R. 1993. Democracy. Routledge.
[3]
McKinnon, C. ed. 2015. Issues in political theory. Oxford University Press.
[4]
Mill, J.S. and Williams, G. 1993. Utilitarianism: On liberty ; Considerations on representative government ; Remarks on Bentham’s philosophy. Dent.
[5]
Rousseau, J.-J. and Cranston, M. 1968. The social contract. Penguin Books.