1
Published 2009
Institute for Legal Studies of the Hungarian Academy of Sciences

2
Published 2001
OECD Publishing

3
Published 2007
Ministry of Employment and Labour, Hungary

4
Published 2012
Hungarian Institute for Educational Research and Development

5
by Pauly, Károly
Published 1817
typis Grundianis

6
Published 2012
Training Center of the Hungarian Chamber of Auditors