1. Act from 18 April 1985. Inland Fisheries Act. Journal of Laws of 1985 No. 21, item 91. https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=wdu19850210091 (in Polish).
2. Act from 20 July 2017. Water Law. Journal of Laws of 2023, item 1478. https://isap.sejm.gov.pl/isap.nsf/DocDetails.xsp?id=WDU20170001566 (in Polish).
3. American Sportfishing Association. (2021). Sportfishing-in-America-Economic-Report-March-2021. https://asafishing.org/wp-content/uploads/2021/11/Sportfishing-in-America-Economic-Report-March-2021.pdf.
4. Aps, R., Sharp, R., & Kutonova, T. (2004). Freshwater Fisheries in Central & Eastern Europe: the Challenge of Sustainability. https://www.eaa-europe.org/files/iucn_7938.pdf
5. Arlinghaus, R. (2004). A human dimensions approach towards sustainable recreational fisheries management. London: Turnshare Ltd.