Kim, K., & Yi, S. (2018). ILO kyŏlsa ŭi chayu haeksim hyŏbyak kwa sahoejŏk taehwa. Han'guk Nodong Yŏn'guwŏn.
Chicago Style (17th ed.) CitationKim, Kŭn-ju, and Sŭng-uk Yi. ILO Kyŏlsa Ŭi Chayu Haeksim Hyŏbyak Kwa Sahoejŏk Taehwa. Sejong T'ŭkpyŏl Chach'isi: Han'guk Nodong Yŏn'guwŏn, 2018.
MLA (8th ed.) CitationKim, Kŭn-ju, and Sŭng-uk Yi. ILO Kyŏlsa Ŭi Chayu Haeksim Hyŏbyak Kwa Sahoejŏk Taehwa. Han'guk Nodong Yŏn'guwŏn, 2018.
Warning: These citations may not always be 100% accurate.