Pérez Jiménez, Juan Carlos. «Bruce Mazlish: The Fourth Discontinuity. The Co-Evolution of Humans and Machines. Yale University Press, New Haven y Londres, 1993». Foro Interno, vol. 1, vol. 1, 2001, pp. 155-6, https://revistas.ucm.es/index.php/FOIN/article/view/FOIN0101110155A.