Source et copyright
Source: Parliamentary Debates. House of Commons. Official Report. Fourth session of the Forty-Fourth Parliament of the United Kingdom of Great Britain and Northern Ireland. Eighteenth year of the reign of her Majesty Queen Elizabeth II. Dir. of publ. Hansard. 1969-1970, No 795; fifth series. London: His Majesty's Stationery Office. "European Communities (White Paper)", p. 1080-1084.
Copyright: Crown copyright is reproduced with the permission of the Controller of Her Majesty's Stationery Office and the Queen's Printer for Scotland