https://www.socialeurope.eu/economic-sovereignty-delusion
http://www.assemblee-nationale.fr/14/pdf/rap-info/i4485.pdf
https://www.instituteforgovernment.org.uk/sites/default/files/publications/negotiating-brexit-preparing-talks-uk-future-relationship-eu-FINAL_1.pdf
https://www.britishcouncil.org/sites/default/files/the_value_of_trust.pdf