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"2004년총결산 POP음반 판매량집계" [2004 Year End International Music Sales]. Recording Industry Association of Korea. 2005. Archived from the original on February 13, 2009. Retrieved October 22, 2014.
"2004.02월 – 가요 음반 판매량" [February 2004 Overseas Album Sales]. Music Industry Association of Korea. 2006. Archived from the original on March 7, 2006. Retrieved November 1, 2014.