Włodkowski, O. 2018. The rule of exclusivity of the Polish fiscal criminal code in the area of standardisation of a prohibited act as a ‘fiscal offence’ or a ‘fiscal petty crime’. Ruch Prawniczy, Ekonomiczny i Socjologiczny. 75, 2 (Nov. 2018), 123–138. DOI:https://doi.org/10.14746/rpeis.2013.75.2.10.