
https://www.project-syndicate.org/commentary/three-goals-to-guide-european-union-renewal-by-emmanuel-macron-2019-03/french

https://www.ips-journal.eu/topics/european-integration/he-came-in-like-a-wrecking-ball-7658/

https://www.parliament.uk/documents/commons-committees/culture-media-and-sport/Background%20paper%20-%202016%20Referendum%20Expenses%20Opinion%20-%20Matrix%20Chambers.pdf