March, José Ricardo (2 December 2019). "La Liga de 1971" [The 1971 League]. Las Provincias (in Spanish). Retrieved 16 October 2020.
Lloret, Paco (12 December 2015). "Hermanos y jugadores" [Brothers and players]. Las Provincias (in Spanish). Archived from the original on 5 September 2018. Retrieved 5 September 2018.
Rovira, Ramón (22 October 1973). "0–0: Con algo de suerte, España pudo vencer" [0–0: With a bit of luck, Spain could have won]. Mundo Deportivo (in Spanish). Retrieved 16 October 2020.
Rovira, Ramón (25 November 1973). "2–1: Alemania batió por la mínima a España" [2–1: Germany beat Spain by the odd goal]. Mundo Deportivo (in Spanish). Retrieved 16 October 2020.
Castillo, J.J. (26 September 1974). "1–2: Iribar y Roberto, fenomenales" [1–2: Iribar and Roberto, phenomenal]. Mundo Deportivo (in Spanish). Retrieved 30 June 2014.
Rovira, Ramón (13 October 1974). "1–1: Sólo al final se animó el España-Argentina" [1–1: Only at the end did the Spain-Argentina liven up]. Mundo Deportivo (in Spanish). Retrieved 16 October 2020.
Lloret, Paco (12 December 2015). "Hermanos y jugadores" [Brothers and players]. Las Provincias (in Spanish). Archived from the original on 5 September 2018. Retrieved 5 September 2018.