"Eman gabe geratu da Kop" [Left without the cup] (in Basque). Berria. 13 August 2017. Archived from the original on 26 January 2021. Retrieved 10 December 2017.
"Eman gabe geratu da Kop" [Left without the cup] (in Basque). Berria. 13 August 2017. Archived from the original on 26 January 2021. Retrieved 10 December 2017.