http://ukandeu.ac.uk/brexit-a-french-perspective/
https://publications.parliament.uk/pa/cm200203/cmhansrd/vo021126/debtext/21126-17.htm
http://www.guengl.eu/uploads/publications-documents/NSkoutarisGUENGLReportC_%28002%29.pdf
https://ukandeu.ac.uk/wp-content/uploads/2021/06/EU-UK-2030-Report.pdf