GUADARRAMA GONZÁLEZ, P. Unamuno, el vasco universal de Pedro Ribas. Cultura Latinoamericana, [S. l.], v. 25, n. 1, p. 223–228, 2017. Disponível em: https://editorial.ucatolica.edu.co/index.php/RevClat/article/view/1585. Acesso em: 16 abr. 2024.