https://www.socialeurope.eu/france-europe-and-another-election
http://cer.eu/sites/default/files/report_relaunching_eu_nov17.pdf
https://www.opendemocracy.net/democraciaabierta/cristina-flesher-fominaya-andrea-teti/espa%C3%B1a-el-holograma-como-protesta
http://www.iemed.org/observatori/arees-danalisi/arxius-adjunts/anuari/med.2018/IEMed_Crisis_EU_project_Medyearbook2018_Marc_Pierini.pdf