https://www.economiesuisse.ch/de/artikel/faktencheck-bilaterale-iii
http://www.chinese-embassy.org.uk/eng/ambassador/t1720992.htm
https://d2071andvip0wj.cloudfront.net/b058-making-the-best-of-frances-libya-summit.pdf
https://ukandeu.ac.uk/study-of-federalism-uk-eu-relationship/?mc_cid=ef569320c7&mc_eid=815b1928ec