Corcuera, José Ignacio (1 October 2014). "Futbolistas por la gracia de Dios" [Footballers by the grace of God] (in Spanish). Cuadernos de Fútbol. Retrieved 23 June 2023.
Carbonero, Javier (25 June 2017). "La mágica noche del 25 junio de 1977" [The magical night of 25 June 1977] (in Spanish). El Desmarque. Retrieved 23 June 2023.
Calvo, Juan Antonio (30 June 1973). "2–0: No tuvo rival serio en el Castellón" [2–0: Castellón were no serious match]. Mundo Deportivo (in Spanish). Retrieved 23 June 2023.
Filgueira, J. A. (30 May 1977). "5–0: El Athletic no dio opción" [5–0: Athletic gave no chance]. Mundo Deportivo (in Spanish). Retrieved 23 June 2023.
Filgueira, J. A. (12 June 1977). "6–0: El Athletic fue una apisonadora" [6–0: Athletic were a steamroll]. Mundo Deportivo (in Spanish). Retrieved 23 June 2023.