J. Legge, und R. Durant. Public Organization Review, 12 (2):
191-207(2012)First published online: April 26, 2012, http://dx.doi.org/10.1007/s11115-012-0175-x(Eurobarometer).
R. Burns, B. Walsh, S. O’Neill, und C. O’Neill. Health Policy, 108 (2–3):
269-276(2012)http://dx.doi.org/10.1016/j.healthpol.2012.08.014 (Eurobarometer).