KŘÍŽ, Zdeněk. NATO after the end of the Cold War : a brief history. 1st edition. Brno : Masaryk University, 2015. 1 online zdroj (128 stran). Dostupné na internetu: <https://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=1606008&lang=cs&site=eds-live&ebv=EB&ppid=pp_Cover> ISBN 978-80-210-7917-5.