References

Bell, D., 2000. The End of Ideology: On the Exhaustion of Political Ideas in the Fifties. 2nd Edn., Harvard University Press, Cambridge, Mass, Pages: 393.

Diefenbaker, J.G., 1949. The role of the opposition in parliament. Empire Club of Canada. (Toronto, Canada), 27 October 1949, pp: 67-74. http://speeches.empireclub.org/60206/data?n=14.

Emeka, A.D., 2011. Raising the stakes of opposition politics. Daily Independent, Lagos. http://allafrica.com/stories/201106291058.html.

Olarinmoye, O., 2005. The politics of ethnic mobilization among the yoruba of South Western Nigeria. Ph.D. Thesis, Department of Political Science, University of Ibadan, Nigeria.

Waluchow, W., 2007. Constitutionalism. The Stanford Encyclopedia of Philosophy (Spring 2007 Edition), Edward N. Zalta (Ed.). http://plato.stanford.edu/archives/spr2007/entries/constitutionalism/.