(2018) Orbegozo, Itziar, Iñigo Urrestarazu, Ane Berro, Josu Landa & Beatriz Fernández. Euskara Bariazioan / Basque in Variation (BiV) (2nd edition). . UPV/EHU.
(2018) Orbegozo, Itziar, Iñigo Urrestarazu, Ane Berro, Josu Landa & Beatriz Fernández. Euskara Bariazioan / Basque in Variation (BiV) (2nd edition). . UPV/EHU.