Source and copyright
Source: Membership of the European Community, presented to Parliament by the Prime Minister by Command of Her Majesty. London: Her Majesty's Stationery Office, March 1975 Cmnd 5999. 11 p. ISBN 0 10 159990 0. (H.M.S.O.). p. 3-11.
Copyright: Crown copyright is reproduced with the permission of the Controller of Her Majesty's Stationery Office and the Queen's Printer for Scotland