Yu, K. (1993). Hŭngbo chŏn yŏn'gu (Ch'op'an.). Kyemyŏng Munhwasa.
Chicago Style (17th ed.) CitationYu, Kwang-su. Hŭngbo Chŏn Yŏn'gu. Ch'op'an. Sŏul: Kyemyŏng Munhwasa, 1993.
MLA (9th ed.) CitationYu, Kwang-su. Hŭngbo Chŏn Yŏn'gu. Ch'op'an. Kyemyŏng Munhwasa, 1993.
Warning: These citations may not always be 100% accurate.