Source et copyright
Source: House of Commons Debates: European Council (Madrid), 29 June 1989. Hansard Volume 155, 19th June 1989 - 30th June 1989. [ON-LINE]. [London]: Her Majesty's Stationary Office, [06.09.2005]. Available on http://www.publications.parliament.uk/pa/cm198889/cmhansrd/1989-06-29/Debate-1.html.
Copyright: Crown copyright is reproduced with the permission of the Controller of Her Majesty's Stationery Office and the Queen's Printer for Scotland