Yi, K. (1983). Koryŏ pyŏngjesa yŏn'gu (Chungp'an.). Ilchogak.
Chicago Style (17th ed.) CitationYi, Ki-baek. Koryŏ Pyŏngjesa Yŏn'gu. Chungp'an. Sŏul: Ilchogak, 1983.
MLA (9th ed.) CitationYi, Ki-baek. Koryŏ Pyŏngjesa Yŏn'gu. Chungp'an. Ilchogak, 1983.
Warning: These citations may not always be 100% accurate.