DÍAZ MORLÁN, P. Eugenio Torres Villanueva, Ramón de la Sota, 1857-1936. Un empresario vasco. Revista de Historia Industrial — Industrial History Review, [S. l.], n. 16, p. 221–224, 2017. Disponível em: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/18513. Acesso em: 28 jan. 2025.