Kim, I. (1981). Choguk ŭi chajujŏk p'yŏnghwa t'ongil ŭl wihayŏ. Chosŏn Nodongdang Ch'ulp'ansa.
Chicago Style (17th ed.) CitationKim, Il-sŏng. Choguk ŭi Chajujŏk P'yŏnghwa T'ongil ŭl Wihayŏ. P'yŏngyang: Chosŏn Nodongdang Ch'ulp'ansa, 1981.
MLA (9th ed.) CitationKim, Il-sŏng. Choguk ŭi Chajujŏk P'yŏnghwa T'ongil ŭl Wihayŏ. Chosŏn Nodongdang Ch'ulp'ansa, 1981.
Warning: These citations may not always be 100% accurate.