"2006년총결산 POP음반 판매량집계" [2006 Year End International Music Sales]. Recording Industry Association of Korea. 2007. Archived from the original on February 13, 2009. Retrieved October 22, 2014.
oricon.co.jp
oricon.co.jp
"BoAのリリース一覧" [List of BoA's Releases]. Oricon. Retrieved October 22, 2014.
"2006년총결산 POP음반 판매량집계" [2006 Year End International Music Sales]. Recording Industry Association of Korea. 2007. Archived from the original on February 13, 2009. Retrieved October 22, 2014.