Gómez Fortes, Braulio; Urquizu, Ignacio «Political Corruption and the End of two-party system after the May 2015 Spanish Regional Elections» (en anglès). Regional and Federal Studies. Routledge, 25, 4, 23-09-2015, pàg. 379–389. DOI: 10.1080/13597566.2015.1083013. ISSN: 1743-9434 [Consulta: 10 juliol 2017]. «Yet the real change that makes these elections so groundbreaking has been the emergence of two change that makes these elections so groundbreaking has been the emergence of two new political forces in all the regional parliaments—one leftist party, Podemos, and one centre-right party, Ciudadanos—which have accounted for 20% of the regional vote and proved decisive in forming regional governments in the 17 autonomous communities, whether via coalition pacts, investiture agreements or legislative pacts»
«“Yo soy español, español, español...”». El Temps. «L'historiador de la Universitat de Barcelona, Agustí Colomines, analitza els orígens de Ciutadans i identifica les entitats que han donat empenta al partit. Aquesta és la versió extensa de la publicada en paper, en el número 1757 d'EL TEMPS.»
Gómez Fortes, Braulio; Urquizu, Ignacio «Political Corruption and the End of two-party system after the May 2015 Spanish Regional Elections» (en anglès). Regional and Federal Studies. Routledge, 25, 4, 23-09-2015, pàg. 379–389. DOI: 10.1080/13597566.2015.1083013. ISSN: 1743-9434 [Consulta: 10 juliol 2017]. «Yet the real change that makes these elections so groundbreaking has been the emergence of two change that makes these elections so groundbreaking has been the emergence of two new political forces in all the regional parliaments—one leftist party, Podemos, and one centre-right party, Ciudadanos—which have accounted for 20% of the regional vote and proved decisive in forming regional governments in the 17 autonomous communities, whether via coalition pacts, investiture agreements or legislative pacts»
Gómez Fortes, Braulio; Urquizu, Ignacio «Political Corruption and the End of two-party system after the May 2015 Spanish Regional Elections» (en anglès). Regional and Federal Studies. Routledge, 25, 4, 23-09-2015, pàg. 379–389. DOI: 10.1080/13597566.2015.1083013. ISSN: 1743-9434 [Consulta: 10 juliol 2017]. «Yet the real change that makes these elections so groundbreaking has been the emergence of two change that makes these elections so groundbreaking has been the emergence of two new political forces in all the regional parliaments—one leftist party, Podemos, and one centre-right party, Ciudadanos—which have accounted for 20% of the regional vote and proved decisive in forming regional governments in the 17 autonomous communities, whether via coalition pacts, investiture agreements or legislative pacts»