http://www.europarl.europa.eu/cmsdata/115748/IPOL_IDA(2017)583130_EN.pdf
https://www.brexitloket.nl/impactscan
http://www.fdf.org.uk/news.aspx?article=8062
https://bdi.eu/media/user_upload/20171005_Pressemitteilung_Brexit.pdf