Yi, P. (1988). Han'guk kodae kungmyŏng chimyŏng yŏn'gu (Chaep'an.). Asea Munhwasa.
Chicago Style (17th ed.) CitationYi, Pyŏng-sŏn. Han'guk Kodae Kungmyŏng Chimyŏng Yŏn'gu. Chaep'an. Sŏul: Asea Munhwasa, 1988.
MLA (9th ed.) CitationYi, Pyŏng-sŏn. Han'guk Kodae Kungmyŏng Chimyŏng Yŏn'gu. Chaep'an. Asea Munhwasa, 1988.
Warning: These citations may not always be 100% accurate.