Rosenau, James N.. "States, Sovereignty, and Diplomacy in the Information Age." Virtual Diplomacy Series (1999).

Rosenau, James N..  Turbulence in World Politics: A Theory of Change and Continuity. Princeton, NJ: Princeton University Press, 1990.

Hermann, Charles F.. "International Crisis as a Situational Variable." In International Politics and Foreign Policy. A Reader in Research and Theory, 409-421. New York: The Free Press, 1969.