PARAJKA, Branislav - KUBAŠČÍKOVÁ, Zuzana. Ethical Approaches to Tax Avoidance and Tax Evasion. In Ethics as an essential condition for sustainable economic development : proceedings of scientific papers. - Bratislava : Vydavateľstvo EKONÓM, 2014. ISBN 978-80-225-3953-1, pp. 75-78. VEGA V-14-035-00.