1. "1. Cristiano, T. and Christman, J., "Introduction" in Cristiano, T. and Christman, J. (eds,) Contemporary Debates in Political Philosophy. Malden, MA: Blackwell Publishing Ltd., 2009.
2. 2. Dunleavy, P., "The State" in Goodin, R.E., Pettit, P. and Pogge, T (eds.) A Companion to Contemporary Political Philosophy, Vol. 2, 2nd Edition, Malden, M.A.: Blackwell Publishing Ltd., 2007.
3. 3. Dworkin, R., "What is Equality? Part 2: Equality of Resources", Philosophy and Public Affairs, Vol 10(4), 1981:283-345.
4. 4. Famakinwa, J.O., "Interpreting the Right to Life", Diametros, 29, 2011:22-30.
5. 5. Fleurbaey, M., "Equal Opportunity for Equal Social Outcome", Economics and Philosophy, 11, 1995:22-55.