P. López Barja de Quiroga, «K. R. Bradlely, Slavery and Rebellion in the Roman world, 140 b.C.-70 b.C. Londres, B. T. Batsford e Indiana (University Press), 1989, XIII + 186pp»., Gerión, vol. 9, p. 322, gen. 1991, Consultato: lug. 14, 2026. Disponibile su: https://revistas.ucm.es/index.php/GERI/article/view/GERI9191120322B