O, S. (1998). Han'guk kŭndae sang'ŏp tosi yŏn'gu: Kaesŏng, Inch'ŏn ŭi hojŏk taejang punsŏk ŭl chungsim ŭro. Kukhak Charyowŏn.
Chicago Style (17th ed.) CitationO, Song. Han'guk Kŭndae Sang'ŏp Tosi Yŏn'gu: Kaesŏng, Inch'ŏn ŭi Hojŏk Taejang Punsŏk ŭl Chungsim ŭro. Sŏul: Kukhak Charyowŏn, 1998.
MLA (9th ed.) CitationO, Song. Han'guk Kŭndae Sang'ŏp Tosi Yŏn'gu: Kaesŏng, Inch'ŏn ŭi Hojŏk Taejang Punsŏk ŭl Chungsim ŭro. Kukhak Charyowŏn, 1998.
Warning: These citations may not always be 100% accurate.