Hussain, Imtiaz. «Louise Fawcett y Andrew Hurrell (eds.), Regionalism in World Politics: Regional Organization and International Order, Oxford, England, Oxford University Press, 1995, p.342». Política y gobierno, vol. 5, n.º 1, abril de 1998, pp. 300-2, http://www.politicaygobierno.cide.edu/index.php/pyg/article/view/520.