Yi, K. (1990). Han'guk sahoe ŭi insik nonjaeng (Ch'op'an.). Pŏmmunsa.
Chicago Style (17th ed.) CitationYi, Kab-yun. Han'guk Sahoe ŭi Insik Nonjaeng. Ch'op'an. Sŏul: Pŏmmunsa, 1990.
MLA (9th ed.) CitationYi, Kab-yun. Han'guk Sahoe ŭi Insik Nonjaeng. Ch'op'an. Pŏmmunsa, 1990.
Warning: These citations may not always be 100% accurate.