An, P. (1977). Chungse kugŏ kugyŏl ŭi yŏn'gu (Ch'op'an.). Ilchogak.
Chicago Style (17th ed.) CitationAn, Pyǒng-hǔi. Chungse Kugŏ Kugyŏl ŭi Yŏn'gu. Ch'op'an. Sŏul: Ilchogak, 1977.
MLA (9th ed.) CitationAn, Pyǒng-hǔi. Chungse Kugŏ Kugyŏl ŭi Yŏn'gu. Ch'op'an. Ilchogak, 1977.
Warning: These citations may not always be 100% accurate.