PETRILLO, P. L. La perenne campagna elettorale dell’Opposizione parlamentare in Italia e in Gran Bretagna. Italian Journal of Electoral Studies (IJES), [S. l.], v. 51, n. 1, p. 81–118, 2004. DOI: 10.36253/qoe-12736. Disponível em: https://oaj.fupress.net/index.php/qoe/article/view/12736. Acesso em: 19 may. 2024.