박 철하 Pak, C. (2009). 청년 운동 Ch'ŏngnyŏn undong30. Han'guk Tongnip Undongsa P'yŏnch'an Wiwŏnhoe Tongnip Kinyŏmgwan Han'guk Tongnip Undongsa Yŏn'guso.
Chicago Style (17th ed.) Citation박 철하 Pak, Ch'ŏr-ha. 청년 운동 Ch'ŏngnyŏn Undong30. Ch'ungch'ŏng-namdo Ch'ŏnan-si: Han'guk Tongnip Undongsa P'yŏnch'an Wiwŏnhoe Tongnip Kinyŏmgwan Han'guk Tongnip Undongsa Yŏn'guso, 2009.
MLA (8th ed.) Citation박 철하 Pak, Ch'ŏr-ha. 청년 운동 Ch'ŏngnyŏn Undong30. Han'guk Tongnip Undongsa P'yŏnch'an Wiwŏnhoe Tongnip Kinyŏmgwan Han'guk Tongnip Undongsa Yŏn'guso, 2009.
Warning: These citations may not always be 100% accurate.