https://www.gov.uk/government/speeches/pm-commons-statement-on-eu-reform-and-referendum-22-february-2016
https://www.iod.com/Portals/0/PDFs/Campaigns%20and%20Reports/Europe%20and%20trade/IoD-Customising-Brexit.pdf?ver=2018-02-15-083137-800
https://www.nakedcapitalism.com/2018/02/another-brexit-mess-grandfathering-existing-free-trade-agreements-looks-unlikely.html
https://dbei.gov.ie/en/Publications/Publication-files/Ireland-and-the-Impacts-of-Brexit.pdf
https://www.inquisitr.com/4784253/russian-media-interfered-in-the-uks-brexit-referendum-new-report-claims/
https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/365.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmcumeds/365/36503.htm
https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/421/421.pdf
http://www.consilium.europa.eu//media/32504/xt21004-ad01re02en18.pdf
http://fedtrust.co.uk/views-from-the-federal-trust/free-movement-and-migration/