Arbeloa Muru, Víctor Manuel. 2015. “Primeros Pasos Del PSN-PSOE (1973-1977) [First Steps of PSN-PSOE (1973-1977)]”. Príncipe De Viana, no. 263 (December), 1257-79. https://revistas.navarra.es/index.php/PV/article/view/810.