Polybius, Historiae ("The Histories"), iii.107; translated by Evelyn S. Shuckburgh, taken from "Internet Ancient History Sourcebook". Fordham University website. Archived from the original on 2006-02-13. Retrieved 2006-02-07.
Polybius, Historiae ("The Histories"), iii.107; translated by Evelyn S. Shuckburgh, taken from "Internet Ancient History Sourcebook". Fordham University website. Archived from the original on 2006-02-13. Retrieved 2006-02-07.
Fernando Quesada-Sanz, De guerreros a soldados: el ejército de Aníbal como un ejército cartaginés atípico, Trabajos del Museo Arqueologico de Ibiza y Formentera, ISSN1130-8095, Nº 56, 2005, ISBN84-87143-37-7