https://www.socialeurope.eu/wp-content/uploads/2018/05/BP1-Devolution.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/725288/The_future_relationship_between_the_United_Kingdom_and_the_European_Union.pdf
http://news.sky.com/story/theresa-may-theres-no-economic-case-for-breaking-up-the-uk-10787816
https://theconversation.com/is-eu-regulation-really-so-bad-for-the-uk-83193