Yŏn, K. (2012). Chosŏn chŏngch'i ŭi majimak ŏlgul: 19 segi Chosŏn ŭi chŏngch'i seryŏk kwa taeoe kwan'gye (Ch'op'an.). Sahoe P'yŏngnon.
Chicago Style (17th ed.) CitationYŏn, Kap-su. Chosŏn Chŏngch'i ŭi Majimak ŏlgul: 19 Segi Chosŏn ŭi Chŏngch'i Seryŏk Kwa Taeoe Kwan'gye. Ch'op'an. Sŏul: Sahoe P'yŏngnon, 2012.
MLA (9th ed.) CitationYŏn, Kap-su. Chosŏn Chŏngch'i ŭi Majimak ŏlgul: 19 Segi Chosŏn ŭi Chŏngch'i Seryŏk Kwa Taeoe Kwan'gye. Ch'op'an. Sahoe P'yŏngnon, 2012.
Warning: These citations may not always be 100% accurate.