https://www.tuc.org.uk/sites/default/files/Brexit%20Legal%20Opinion.pdf
https://www.ilo.org/legacy/english/inwork/cb-policy-guide/declarationofPhiladelphia1944.pdf
http://www.britishchambers.org.uk/press-office/press-releases/bcc-firms-invest-in-local-labour-but-still-need-foreign-skills-to-plug-shortages.html
https://transparency.eu/burning-candle-mep-income/