"2004년 – 상반기 가요 음반 판매량" [2004 First Half Domestic Album Sales]. Recording Industry Association of Korea. 2004. Archived from the original on July 18, 2007. Retrieved November 1, 2014.
"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.
"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.
"2004년 – 상반기 가요 음반 판매량" [2004 First Half Domestic Album Sales]. Recording Industry Association of Korea. 2004. Archived from the original on July 18, 2007. Retrieved November 1, 2014.
"10대 가수 보아, 일본 인기차트 상위권 진입" [Teenage singer BoA enters the top of Japan's popular charts]. Yonhap News Agency (in Korean). Naver. June 14, 2001. Retrieved March 17, 2024.
"보아, 아무로 나미에 등 톱가수 듀엣 싱글 발매" [Top singers such as BoA and Namie Amuro release duet singles]. Yonhap News Agency (in Korean). Naver. January 21, 2005. Retrieved March 17, 2024.
"보아 참여한 9.11테러 추모곡 국내 발매" [9.11 terrorist attack memorial song featuring BoA released in Korea]. Star News (in Korean). Naver. January 21, 2005. Retrieved March 17, 2024.
"보아, 일본 음반판매 주간순위도 석권" [BoA dominates the weekly album sales charts in Japan]. Yonhap News Agency (in Korean). Naver. March 20, 2002. Retrieved March 17, 2024.
"2004년 – 상반기 가요 음반 판매량" [2004 First Half Domestic Album Sales]. Recording Industry Association of Korea. 2004. Archived from the original on July 18, 2007. Retrieved November 1, 2014.
"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.
"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.
"2004년 – 상반기 가요 음반 판매량" [2004 First Half Domestic Album Sales]. Recording Industry Association of Korea. 2004. Archived from the original on July 18, 2007. Retrieved November 1, 2014.