1. Cohesion policy in the European Union;Baun;Houndmills-Basingstoke-Hampshire-New York,2014
2. Bobek, M. (2011). Why There Is No Principle of "Procedural Autonomy" of the Member States. In B. de Witte & H. Micklitz (Eds), The European Court of Justice and the Autonomy of the Member States. Intersentia.
3. Borys, K. et al. (2023). Art. 6 In R. Poździk & M. Perkowski (Eds), Ustawa o zasadach realizacji zadań finansowanych ze środków europejskich w perspektywie finansowej 2021-27. Komentarz. Wolters Kluwer.
4. Commission (2022a). Statistical evaluation of irregularities reported for 2021: own resources, agriculture, cohesion and fisheries policies, pre-accession and direct expenditure accompanying the document Commission report to the Council and the European Parliament 33rd Annual Report on the protection of the European Union's financial interests and the fight against fraud - 2021, SWD (2022) 307 final.
5. Commission (2022b). Second report on the implementation of Directive (EU) 2017/1371 of the European Parliament and of the Council of 5 July 2017 on the fight against fraud to the Union's financial interests by means of criminal law. COM (2022) 433 final.