Yi, U. (2009). Chosŏn sidae chaenan kwa kukka ŭirye (Chʻopʻan.). Kyŏnggi-do Pʻaju-si: Chʻangbi.
Chicago Style CitationYi, Uk. Chosŏn Sidae Chaenan Kwa Kukka ŭirye. Chʻopʻan. Kyŏnggi-do Pʻaju-si: Chʻangbi, 2009.
MLA CitationYi, Uk. Chosŏn Sidae Chaenan Kwa Kukka ŭirye. Chʻopʻan. Kyŏnggi-do Pʻaju-si: Chʻangbi, 2009.
Warning: These citations may not always be 100% accurate.