Claes DE VREESE (ed.), Dynamics of Referendum Campaigns – An International Perspective, Basingstoke, Palgrave Macmillan, 2007
TRECHSEL, Alexander H., E-voting and Electoral Participation, in Claes DE VREESE (ed.), Dynamics of Referendum Campaigns – An International Perspective, Basingstoke, Palgrave Macmillan, 2007
- https://hdl.handle.net/1814/7453