Coba jelasin Catatan dari Jizi dong

Imanishi Ryū 今西龍 (1970), Kishi Chōsen densetsu kō 箕子朝鮮伝説考 [On the legend of Gija Joseon (Jizi Chaoxian)], in Chōsen koshi no kenkyū 朝鮮古史の研究 [Research in ancient Korean history], pp. 131–173.