A. D'Addio, и M. Cavalleri. CESifo Economic Studies, 61 (2):
346-376(2015)First published online: April 2, 2014, http://dx.doi.org/10.1093/cesifo/ifu014. (Eurobarometer).
S. Mau, и J. Mewes. European Societies, 14 (1):
7-34(2012)First published online: December 7, 2011, http://dx.doi.org/10.1080/14616696.2011.638083. (Eurobarometer).
T. Sun. International Journal of Consumer Studies, 35 (3):
330--337(2011)First published online: October 12, 2010, http://dx.doi.org/10.1111/j.1470-6431.2010.00938.x. (Eurobarometer).
L. Toma, A. Stott, C. Revoredo-Giha, и B. Kupiec-Teahan. Appetite, 58 (2):
597-607(2012)First published online: November 19, 2011, http://dx.doi.org/10.1016/j.appet.2011.11.015. (Eurobarometer).
C. Williams, и J. Spoon. European Union Politics, 16 (2):
176-193(2015)First published online: January 8, 2015, http://dx.doi.org/10.1177/1465116514564702. (EES).