
https://ukandeu.ac.uk/why-david-cameron-called-the-2016-referendum/?mc_cid=dcb6ed542c&mc_eid=815b1928ec

https://theconversation.com/britain-better-fix-its-identity-crisis-fast-or-risk-a-disastrous-brexit-81227

https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/4/4.pdf