1. Adler-Nissen, R. (2014). Symbolic Power in EU Diplomacy: The Struggle Between National Foreign Services and the EU’s External Action Service. Review of International Studies, 40(4), 657–681.
2. Arnaud, Y., Barbieri, C, Deneckere, M., De Zan, T., & Flessenkemper, T. (2017, March). Analysis of CSDP Institutional and Policy Aspects and Lessons Learned. CIVILEX Report D2.1. http://civilex.eu/sites/default/files/civilex/public/content-files/article/D2.1%20Analysis%20of%20CSDP%20institutional%20and%20policy%20aspects%20and%20lessons%20learned%20-%20public.pdf.
3. Austermann, F. (2014). European Union Delegations in EU Foreign Policy: A Diplomatic Service at Different Speeds. Basingstoke: Palgrave.
4. Barry, L. (2012). European Security in the 21st Century: The EU’s Comprehensive Approach. IIEA European Security and Defence Series. Dublin: Institute of International and European Affairs.
5. Bátora, J. (2013). The ‘Mitrailleuse Effect’: The EEAS as an Interstitial Organization and the Dynamics of Innovation in Diplomacy. Journal of Common Market Studies, 51(4), 598–613.