https://www.publications.parliament.uk/pa/ld201314/ldselect/ldeucom/164/164.pdf
http://library.fes.de/pdf-files/iez/13375.pdf
http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf
http://invs.santepubliquefrance.fr/publications/etat_sante_2017/ESP2017_Ouvrage_complet_vdef.pdf
http://www.etui.org/Publications2/Working-Papers/Why-central-and-eastern-Europe-needs-a-pay-rise
http://www.ftseglobalmarkets.com/news/uk-pension-deficits-rise-to-£145bn-liabilities-at-record-high.html
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IFGJ5327_Report_Brexit_Civil_Service_080317_WEB.pdf
https://uk.news.yahoo.com/maybe-maybe-not-pm-refuses-say-government-will-guarantee-2-5-pension-rise-oaps-131359663.html