Sinnott, J. P., Kim, K., & Yi, U. (2004). Hyŏnjang chŭngŏn 1975-yŏn 4-wŏl 9-il: Ch'ŏnjukyo Chŏngŭi Kuhyŏn Chŏnguk Sajedan ch'angnip 30-chunyŏn kinyŏm. Pit Ture.
Chicago Style (17th ed.) CitationSinnott, James P., Kŏn-ok Kim, and U-kyŏng Yi. Hyŏnjang Chŭngŏn 1975-yŏn 4-wŏl 9-il: Ch'ŏnjukyo Chŏngŭi Kuhyŏn Chŏnguk Sajedan Ch'angnip 30-chunyŏn Kinyŏm. Sŏul-si: Pit Ture, 2004.
MLA (8th ed.) CitationSinnott, James P., et al. Hyŏnjang Chŭngŏn 1975-yŏn 4-wŏl 9-il: Ch'ŏnjukyo Chŏngŭi Kuhyŏn Chŏnguk Sajedan Ch'angnip 30-chunyŏn Kinyŏm. Pit Ture, 2004.
Warning: These citations may not always be 100% accurate.