Bag, G. s. (2019). T'ongil taebi kugŏ kyoyuk kwa Han'gugŏ kyoyuk (Ch'op'an.). Yŏngnak.
Chicago Style (17th ed.) CitationBag, Gab su. T'ongil Taebi Kugŏ Kyoyuk Kwa Han'gugŏ Kyoyuk. Ch'op'an. Sŏul: Yŏngnak, 2019.
MLA (9th ed.) CitationBag, Gab su. T'ongil Taebi Kugŏ Kyoyuk Kwa Han'gugŏ Kyoyuk. Ch'op'an. Yŏngnak, 2019.
Warning: These citations may not always be 100% accurate.