Lukács, Krisztina. “The System of Sources of Law”. In Comparative Constitutionalism in Central Europe: Analysis on Certain Central and  Eastern European Countries, edited by Lóránt Csink and László Trócsányi, 255–272. Legal Studies on Central Europe, 2022. Accessed August 5, 2025. https://books.ceapublishing.hu/index.php/lsce/catalog/book/17/chapter/173.