Konkordat włoski z 18 lutego 1984 r.: [Italian Concordat of February 18, 1984]. Studia Prawnicze / The Legal Studies, [S. l.], n. 1-2 (87-88), p. 367–396, 1986. DOI: 10.37232/sp.1986.1-2.13. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/3821. Acesso em: 5 oct. 2025.