http://www.reuters.com/article/us-britain-eu-verhofstadt-idUSKBN19V0WP
http://bruegel.org/wp-content/uploads/2017/03/WP_2017_03-.pdf
http://www.voxeurop.eu/en/2017/eu-uk-relations-5120821
https://brc.org.uk/media/674001/a-fair-deal-for-consumers-february-2020.pdf