Ri, Y. (1963). Husamgugŭi ch'urhyŏn'gwa koryŏe ŭihan'gŭŭi t'ongil. Kwahagwŏn Ch'ulp'ansa.
Chicago Style (17th ed.) CitationRi, Yong-jung. Husamgugŭi Ch'urhyŏn'gwa Koryŏe ŭihan'gŭŭi T'ongil. P'yŏngyang: Kwahagwŏn Ch'ulp'ansa, 1963.
MLA (9th ed.) CitationRi, Yong-jung. Husamgugŭi Ch'urhyŏn'gwa Koryŏe ŭihan'gŭŭi T'ongil. Kwahagwŏn Ch'ulp'ansa, 1963.
Warning: These citations may not always be 100% accurate.