Sumiya, M. (1983). Han'guk ŭi kyŏngje (Ch'op'an 1 swae.). Hanul.
Chicago Style (17th ed.) CitationSumiya, Mikio. Han'guk ŭi Kyŏngje. Ch'op'an 1 swae. Sŏul: Hanul, 1983.
MLA (9th ed.) CitationSumiya, Mikio. Han'guk ŭi Kyŏngje. Ch'op'an 1 swae. Hanul, 1983.
Warning: These citations may not always be 100% accurate.