Cho, S. (2007). Sugwŏn: Changp'yŏn sosŏl. Kŭmsŏng Ch'ŏngnyŏn Ch'ulp'ansa.
Chicago Style (17th ed.) CitationCho, Sŭng-ch'an. Sugwŏn: Changp'yŏn Sosŏl. P'yŏngyang: Kŭmsŏng Ch'ŏngnyŏn Ch'ulp'ansa, 2007.
MLA (9th ed.) CitationCho, Sŭng-ch'an. Sugwŏn: Changp'yŏn Sosŏl. Kŭmsŏng Ch'ŏngnyŏn Ch'ulp'ansa, 2007.
Warning: These citations may not always be 100% accurate.