E. Pardo Sauvageot, «Northern territories and Japan-Russia relations: Latest developments under prime minister Taro Aso», UNISCI discuss. pap., n.º 20, pp. 210–230, ene. 2009, Accedido: dic. 06, 2025. Disponible en: https://revistas.ucm.es/index.php/UNIS/article/view/UNIS0909230210A