E. Pardo Sauvageot, «Piracy off Somalia and its challenges to maritime security: problems and solutions », UNISCI discuss. pap., n.º 19, pp. 250–267, ene. 2009, Accedido: nov. 27, 2024. Disponible en: https://revistas.ucm.es/index.php/UNIS/article/view/UNIS0909130250A