"2003.04월 – POP 음반 판매량" (in Korean). Recording Industry Association of Korea. April 2003. Archived from the original on October 16, 2004. Retrieved April 9, 2021.
"2003.04월 – POP 음반 판매량" (in Korean). Recording Industry Association of Korea. April 2003. Archived from the original on October 16, 2004. Retrieved April 9, 2021.