Choe, Y. s., & Ch'oe, C. 8. (1990). Ch'oe Ch'i-wǒn sasang yǒn'gu: Purok sasan pimyǒng chipchu. Asea munhwasa.
Chicago Style (17th ed.) CitationChoe, Yeong seong, and Ch'i-wŏn 857-915 Ch'oe. Ch'oe Ch'i-wǒn Sasang Yǒn'gu: Purok Sasan Pimyǒng Chipchu. Sǒul: Asea munhwasa, 1990.
MLA (9th ed.) CitationChoe, Yeong seong, and Ch'i-wŏn 857-915 Ch'oe. Ch'oe Ch'i-wǒn Sasang Yǒn'gu: Purok Sasan Pimyǒng Chipchu. Asea munhwasa, 1990.
Warning: These citations may not always be 100% accurate.