1. Cadwalladr, Carole. 2017. “‘Dark Money’ Is Threat to Integrity of UK Elections, Say Leading Academics.” The Observer, April 1. https://www.theguardian.com/politics/2017/apr/01/dark-money-threat-to-uk-elections-integrity
2. Overheating
3. EC (European Commission). 2006. “EU Attitudes in UK Analytical Report.” Flash EB Series #185.