Necas, P., M. Kelemen, and B. Lippay. “Comparison on National Security Strategy 2002 and 2006: To What Extent Did Neoconservatives Influence Perception of the Us Foreign and Security Policy of the Second Presidential Administration of George W. Bush?”. Communications - Scientific Letters of the University of Zilina, Vol. 13, no. 2, June 2011, pp. 64-68, http://journals.uniza.sk/index.php/communications/article/view/822.