Państwowe monopole handlowe na rynku wewnętrznym w Unii Europejskiej: [State monopolies of a commercial character in the internal market of the EU]. Studia Prawnicze / The Legal Studies, [S. l.], n. 2 (172), p. 5–31, 2007. DOI: 10.37232/sp.2007.2.1. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3647. Acesso em: 5 oct. 2025.