PASQUINO, Gianfranco; VALBRUZZI, Marco. The Italian Democratic Party, its nature and its Secretary. Revista Española de Ciencia Política, [S. l.], n. 44, p. 275–299, 2017. DOI: 10.21308/recp.44.11. Disponível em: https://recyt.fecyt.es/index.php/recp/article/view/59480. Acesso em: 19 dic. 2025.