http://sprc.info/wp-content/uploads/2012/07/Polish-Migrants-in-London-extending-the-stay.pdf
http://www.oxfordmartin.ox.ac.uk/downloads/academic/technology-globalisation-future-of-work_Mar2015.pdf
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—cabinet/documents/genericdocument/wcms_371208.pdf
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—dcomm/—publ/documents/publication/wcms_490959.pdf
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—dcomm/—publ/documents/publication/wcms_537982.pdf
http://www.ilo.org/wcmsp5/groups/public/—dgreports/—dcomm/—publ/documents/publication/wcms_548950.pdf
https://www.publications.parliament.uk/pa/ld201314/ldselect/ldeucom/164/164.pdf
http://library.fes.de/pdf-files/iez/13375.pdf
http://www.acea.be/uploads/publications/ACEA_position_paper-Brexit.pdf
http://www.iata.org/whatwedo/Documents/economics/impact_of_brexit.pdf