APA (7th ed.) Zitazioa

ebrary, Inc, O'Neill, M., & Winter, A. (2013). New challenges for the EU internal security strategy. Cambridge Scholars Pub..

Chicago Style (17th ed.) Zitazioa

ebrary, Inc, Maria O'Neill, eta Aaron Winter. New Challenges for the EU Internal Security Strategy. Newcastle, Neb.: Cambridge Scholars Pub., 2013.

MLA (9th ed.) Zitazioa

ebrary, Inc, et al. New Challenges for the EU Internal Security Strategy. Cambridge Scholars Pub., 2013.