Gretsky Igor Poland's Foreign Policy in the 21st Century / ed. by Stanisław Bieleń. Warsaw: Difin, 2011. 462 S. Download the article
Sergunin Alexander Aleksandrov, O. B. 2012, Severnyj vektor vneshnej politiki Rossii: vneshnjaja politika Rossii na Baltike, v regione Severnoj Evropy i v Arktike, Moscow, Izdatelstvo «Sputnik +», 205 p. Download the article
