1. Bell, Joseph P., and Ryan C. Hendrickson. 2012. NATO’s Visegrad Allies and the Bombing of Qaddafi: The Consequences of Alliance Free-Riders. Journal of Slavic Military Studies 25: 149–161.
2. Bernstein, Richard. 2003. Poland upstages, and Irks, European powerhouses. New York Times, 13 May.
3. CBOS. 2002. Polish public opinion: poles on NATO and the operation in Afghanistan, April 2002. Warsaw: Centre for Public Opinion Research.
4. ———. 2003a. Polish public opinion: diminishing support for the intervention in Iraq, January 2003. Warsaw: Centre for Public Opinion Research.
5. ———. 2003b. Polish public opinion: the problem of Iraq, February 2003. Warsaw: Centre for Public Opinion Research.