System prawa administracyjnego [Le système du droit administratif], vol. III, Wrocław 1978, Ossolineum. Contemporary Central & East European Law, [S. l.], n. 3-4(51-52), p. 68–73, 1981. Disponível em: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1839. Acesso em: 6 oct. 2025.