Tolong jelaskan mengenai Sumber dari Politik kekuasaan

Hans J. Morgenthau, Scientific Man vs. Power Politics. Chicago: The University of Chicago Press, 1946.

Hans J. Morgenthau, Politics Among Nations: The Struggle for Power and Peace. New York NY: Alfred A. Knopf, 1948.

Hans Köchler, "The United Nations Organization and Global Power Politics: The Antagonism between Power and Law and the Future of World Order," in: Chinese Journal of International Law, Vol. 5, No. 2 (2006), pp. 323–340. ABSTRACT

John Mearsheimer, The Tragedy of Great Power Politics. New York: W.W. Norton & Company, 2001.