Chʻŏn, H., & 千 惠鳳. (1991). Hanʼguk sŏjihak yŏnʼgu (Chʻopʻan.). Kosan Chʻŏn Hye-bong Kyosu Chŏngnyŏn Kinyŏm Sŏnjip Kanhaeng Wiwŏnhoe : Parhaengchʻŏ Samsŏng Chʻulpʻansa.
Chicago Style (17th ed.) CitationChʻŏn, Hye-bong, and 千 惠鳳. Hanʼguk Sŏjihak Yŏnʼgu. Chʻopʻan. Sŏul Tʻŭkpyŏlsi: Kosan Chʻŏn Hye-bong Kyosu Chŏngnyŏn Kinyŏm Sŏnjip Kanhaeng Wiwŏnhoe : Parhaengchʻŏ Samsŏng Chʻulpʻansa, 1991.
MLA (8th ed.) CitationChʻŏn, Hye-bong, and 千 惠鳳. Hanʼguk Sŏjihak Yŏnʼgu. Chʻopʻan. Kosan Chʻŏn Hye-bong Kyosu Chŏngnyŏn Kinyŏm Sŏnjip Kanhaeng Wiwŏnhoe : Parhaengchʻŏ Samsŏng Chʻulpʻansa, 1991.
Warning: These citations may not always be 100% accurate.