https://publications.parliament.uk/pa/ld201719/ldselect/ldeucom/129/129.pdf
https://www.opendemocracy.net/en/opendemocracyuk/customs-union-leaves-everything-play-trade-justice/?utm_source=Daily+Newsletter&utm_campaign=f531c721c4-DAILY_NEWSLETTER_MAILCHIMP&utm_medium=email&utm_term=0_717bc5d86d-f531c721c4-407405485
https://www.socialeurope.eu/2017/07/brexit-to-nowhere/
https://ec.europa.eu/commission/publications/position-paper-transmitted-eu27-issues-relating-functioning-union-institutions-agencies-and-bodies_en