임 기환 Ki-hwan Im & Im, K. (2009). 고구려 왕릉 연구 Koguryŏ wangnŭng yŏnʼgu (Chʻopʻan.). Tongbuga Yŏksa Chaedan.
Чикаго маягийн жагсаалт임 기환 Ki-hwan Im ба Ki-hwan Im. 고구려 왕릉 연구 Koguryŏ Wangnŭng Yŏnʼgu. Chʻopʻan. Sŏul: Tongbuga Yŏksa Chaedan, 2009.
MLA ишлэл임 기환 Ki-hwan Im ба Ki-hwan Im. 고구려 왕릉 연구 Koguryŏ Wangnŭng Yŏnʼgu. Chʻopʻan. Tongbuga Yŏksa Chaedan, 2009.
Warning: These citations may not always be 100% accurate.