Yi, H. (2015). 21-segi sinhŭng kyŏngje taeguktŭl ŭi kyŏngje palchŏn tonghyang. Sahoe Kwahak Ch'ulp'ansa.
Chicago Style (17th ed.) CitationYi, Haeng-ho. 21-segi Sinhŭng Kyŏngje Taeguktŭl ŭi Kyŏngje Palchŏn Tonghyang. [P'yŏngyang]: Sahoe Kwahak Ch'ulp'ansa, 2015.
MLA (9th ed.) CitationYi, Haeng-ho. 21-segi Sinhŭng Kyŏngje Taeguktŭl ŭi Kyŏngje Palchŏn Tonghyang. Sahoe Kwahak Ch'ulp'ansa, 2015.
Warning: These citations may not always be 100% accurate.