1. Adamides, C. (2012). Institutionalized, horizontal and bottom-up securitization in ethnic conflict environments: The case of Cyprus. PhD. The University of Birmingham.
2. Baker-Beall, C. (2016). The European Union’s fight against terrorism. Manchester: Manchester University Press.
3. Boffey, D. (2015). David Cameronmaintains high approval rating, despite Labour’s poll lead. [online] The Guardian. Available at: http://www.theguardian.com/politics/2015/feb/14/opinium-poll-david-cameron-maintains-approval-rating [Accessed 26 Apr. 2016].
4. Buzan B., Wæver O. and de Wilde J. (1998). Security: A New Framework for Analysis.Boulder, CO: Lyenne Rienner.
5. Cameron, D. (2010). David Cameron: National interest first. [online] SayIt. Available at: http://conservative-speeches.sayit.mysociety.org/speech/601470 [Accessed 20 Apr. 2016].