https://www.politico.eu/article/film-green-border-agnieszka-green-poland-government-hate-campaign-election-pis-kaczynski-duda/
http://www.lastampa.it/2016/06/27/italia/politica/rodot-quando-i-referendum-diventano-un-boomerang-JuXpMSRHAkJH5mE0mawMrL/pagina.html
https://www.ips-journal.eu/topics/democracy-and-society/a-coup-detat-in-slow-motion-7204/