Han'guk Haksul Chinhŭng Chaedan, Rand Education (Institute), & Sŏng, S. (2008). TunoeHanʼguk 21 Che-2Tanʼgye SaŏpŬi Sŏngkwapʻyŏngka MohyŏngKwa Chŏngchʻaekchŏk SisaChŏm. RAND Education.
Chicago Style (17th ed.) CitationHan'guk Haksul Chinhŭng Chaedan, Rand Education (Institute), and So-mi Sŏng. TunoeHanʼguk 21 Che-2Tanʼgye SaŏpŬi Sŏngkwapʻyŏngka MohyŏngKwa Chŏngchʻaekchŏk SisaChŏm. Santa Monica, CA: RAND Education, 2008.
MLA (9th ed.) CitationHan'guk Haksul Chinhŭng Chaedan, et al. TunoeHanʼguk 21 Che-2Tanʼgye SaŏpŬi Sŏngkwapʻyŏngka MohyŏngKwa Chŏngchʻaekchŏk SisaChŏm. RAND Education, 2008.
Warning: These citations may not always be 100% accurate.