이 승헌 Yi Sŭng-hŏn. (1992). 단전 호흡 Tanjŏn hohŭp 133. Taewŏnsa.
Chicago Style (17th ed.) Citation이 승헌 Yi Sŭng-hŏn. 단전 호흡 Tanjŏn Hohŭp 133. Seŏul: Taewŏnsa, 1992.
MLA (8th ed.) Citation이 승헌 Yi Sŭng-hŏn. 단전 호흡 Tanjŏn Hohŭp 133. Taewŏnsa, 1992.
Warning: These citations may not always be 100% accurate.