Drache D, Valdés Ugalde JL. The International System: Hinge Moments and Structural Long-Term Trends. A Canadian Perspective Interview with Robert W. Cox. Norteamérica [Internet]. 2010 Sep. 2 [cited 2025 Apr. 30];4(02). Available from: https://www.revistanorteamerica.unam.mx/index.php/nam/article/view/28