https://publications.parliament.uk/pa/cm201719/cmselect/cmworpen/848/848.pdf
https://sipri.org/media/press-release/2018/global-military-spending-remains-high-17-trillion
https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/961/961.pdf
http://www.ipg-journal.de/regionen/nordamerika/artikel/detail/die-ordnung-zerfaellt-2684/
https://www.instituteforgovernment.org.uk/sites/default/files/publications/voting-on-brexit-report-final.pdf
https://www.adamsmith.org/adam-smith-lecture/
http://www.ecfr.eu/article/commentary_there_is_life_for_the_eu_after_brexit
http://www.pewforum.org/2018/05/29/being-christian-in-western-europe/
https://think.ing.com/articles/four-scenarios-for-eurozone-reform-at-this-weeks-eu-summit/
https://www.smmt.co.uk/wp-content/uploads/sites/2/SMMT-Sustainability-Report-2018.pdf