http://www.europarl.europa.eu/RegData/etudes/IDAN/2017/599352/EPRS_IDA%282017%29599352_EN.pdf
https://publications.parliament.uk/pa/cm201719/cmselect/cmintrade/520/520.pdf
http://www.conservativehome.com/platform/2017/05/what-would-wto-mean-andrew-stoler-and-geoff-raby-brexit-britain-has-no-need-to-fear-wto-terms.html
http://www.automotivecouncil.co.uk/wp-content/uploads/sites/13/2017/06/Automotive-Council-UK-local-sourcing-content-research-2017-Final-1.pdf