J. Velasco, “Peter Trubowitz, Defending the National Interest: Conflict and Change in American Foreign Policy, Chicago, The University of Chicago Press, 1998”, PyG, vol. 6, no. 1, pp. 279–282, Apr. 1999, Accessed: Oct. 13, 2026. Available: http://politicaygobierno.cide.edu/index.php/pyg/article/view/491