Koguryŏ minjok hyŏngsŏng kwa sahoe /
Yi Ok chŏ
高句麗民族形成과社會
APA Citation
Yi, O., 李玉. (1986). Koguryŏ minjok hyŏngsŏng kwa sahoe. Chaepʻan Sŏul: Kyobo Munʼgo.
MLA Citation
Yi, Ok, and 李玉. Koguryŏ Minjok Hyŏngsŏng Kwa Sahoe. Chaepʻan Sŏul: Kyobo Munʼgo, 1986.
Warning: These citations may not always be complete (especially for serials).