Alacid, Jorge (27 July 1997). "La puerta sigue abierta" [Door remains open]. Mundo Deportivo (in Spanish). Retrieved 25 July 2022.
mundodeportivo.com
Artús, José Luis; Domènech, Oriol (27 July 2010). "Òscar entrenará al Juvenil A" [Òscar to coach Juvenil A]. Mundo Deportivo (in Spanish). Retrieved 5 February 2014.