U źródeł koncepcji demokratycznego państwa prawnego: [At the source of the concept of a democratic state ruled by law]. Studia Prawnicze / The Legal Studies, [S. l.], n. 3 (161), p. 17–33, 2004. DOI: 10.37232/sp.2004.3.2. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/2796. Acesso em: 6 oct. 2025.