1. Il Fatto Quotidiano. (2020). Alessandro Di Battista: “L’Italia deve dire no al Mes. Senza di noi la Ue si scioglie”. https://www.ilfattoquotidiano.it/in-edicola/articoli/2020/04/19/litalia-deve-direno-almes-senza-di-noi-la-ue-si-scioglie/5774896/.
2. Alonso, S., & Rovira Kaltwasser, C. (2015). Spain: No Country for the Populist Radical Right? South European Society and Politics, 20(1), 21–45.
3. Barbeito, R. I., & Alonso, Á. I. (2021). Political Emotions and Digital Political Mobilization in the New Populist Parties: The Cases of Podemos and Vox in Spain. International Review of Sociology, 31(2), 246–267.
4. Busher, J., Giurlando, P., & Sullivan, G. (2018). Introduction: The Emotional Dynamics of Backlash Politics Beyond Anger, Hate, Fear, Pride, and Loss. Humanity and Society, 42(4), 399–409.
5. Chryssogelos, A. (2014). Vladimir Putin’s Popularity Among Populist Parties in Europe Illustrates the Depth of the Challenges Facing European Democracy. https://blogs.lse.ac.uk/europpblog/2014/05/14/vladimir-putins-popularity-among-populist-parties-in-europe-illustrates-the-depth-of-the-challenges-facing-european-democracy/