Is this going to be like Rick Perry in Texas threatening to secede from the union, then weeks later begging Obama for federal funding because of the Swine Flu? I'd read that the day after the Brexit vote, the top googled question in Britain was "What is the EU"? Oh boy...
Keep in mind that Parliament must implement the referendum results with legislation to address political and economic and diplomatic changes occasioned by the referendum vote. Also, Parliament can order a subsequent referendum on the subject.