Sŏ, K., & Yi, M. (2014). In'gan ŭi michŏk hwaltong e taehan chuch'e ŭi iron yŏn'gu (Che 2-p'an.). Sahoe Kwahak Ch'ulp'ansa.
Chicago Style (17th ed.) CitationSŏ, Kwang-ung, and Man-yŏl Yi. In'gan ŭi Michŏk Hwaltong E Taehan Chuch'e ŭi Iron Yŏn'gu. Che 2-p'an. [P'yŏngyang]: Sahoe Kwahak Ch'ulp'ansa, 2014.
MLA (9th ed.) CitationSŏ, Kwang-ung, and Man-yŏl Yi. In'gan ŭi Michŏk Hwaltong E Taehan Chuch'e ŭi Iron Yŏn'gu. Che 2-p'an. Sahoe Kwahak Ch'ulp'ansa, 2014.
Warning: These citations may not always be 100% accurate.