Daniela Gawrecká. Who Watches the Watchmen?(Discussion Paper). Prague: Institute of Sociology. November 2013 [17 February 2015]. (原始内容存档(PDF)于2016-03-04).
Daniela Gawrecká. Who Watches the Watchmen?(Discussion Paper). Prague: Institute of Sociology. November 2013 [17 February 2015]. (原始内容存档(PDF)于2016-03-04).