1. ALDE 2014a Agreement between Olli Rehn and Guy Verhofstadt-statement by ALDE Party President http://www.aldeparty.eu/en/press-releases/agreement-between-olli-rehn-guy-verhofstadt-statement-alde-party-president»
2. ALDE 2014b Guy Verhofstadt and Olli Rehn to lead joint European election campaign http://www.aldeparty.eu/en/news/guy-verhofstadt-and-olli-rehn-lead-joint-european-election-campaign»
3. The Appointments of Herman van Rompuy and Catherine Ashton;Barber;JCMS,2010
4. Cameron , D. 2014 European Council June 2014: David Cameron's Speech https://www.gov.uk/government/speeches/european-council-june-2014-david-camerons-speech»
5. Rethinking the European Union