
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/655232/DExEU_ARA_v5.0_amended_version_14.08.17__1_.pdf

http://www.standard.co.uk/news/politics/boris-johnson-backed-by-ukip-in-general-election-a3530371.html

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1052148/benefits-of-brexit-document.pdf