 Complete the following phrase:  In his book Referendum Tom Stacey Ltd, 1971 he argued that the referendum, then under discussion in the context of the United Kingdom UK joining the European Economic Community EEC, could in fact serve to entrench constitutional safeguards that the UK then  as now  lacked, quoting Arthur Balfours contribution to the debate on the Parliament Bill later the Parliament Act 1911: In the referendum lies our hope of getting the sort of constitutional security which every other country but our own enjoys ... Referendum, . He wrote the definitive account of the 