A Europeanized NATO? The Alliance Contemplates the Trump Era and Beyond. War on the Rocks, 2018.

Rynning, Sten, and Jens Ringsmose. "Why Are Revisionist States Revisionist? Reviving Classical Realism as an Approach to Understanding International Change."  International Politics 45 (2008): 26.

Ringsmose, Jens, and Sten Rynning. Come Home, NATO? The Atlantic Alliance?s New Strategic Concept. Copenhagen: Danish Institute for International Studies, 2007.

Rynning, Sten. NATO Renewed: The Power and Purpose of Transatlantic Cooperation. New York: Palgrave Macmillan, 2005.