WOJCIECHOWSKI, Sebastian. Analysis and Assessment of Conclusions in the White Book regarding Threats and Challenges in EU Common Security and Defence Policy. Przegląd Strategiczny, [S. l.], n. 7, p. 31–41, 2014. DOI: 10.14746/ps.2014.1.4. Disponível em: https://pressto.amu.edu.pl/index.php/ps/article/view/872. Acesso em: 27 kwi. 2024.