"음반시장 다시 꿈틀?… SG워너비 2집 대박의 비밀" [Record market stirs again?...The secret of how SG Wannabe's second album hit the jackpot]. The Chosun Ilbo (in Korean). April 6, 2005. Retrieved April 29, 2021.
Cumulative sales of SG Wannabe by SG Wannabe 7 Part.I:
"2010년 가온차트 부문별 Top 100위" [2010 Gaon Chart Top 100]. Gaon Music Chart (in Korean). Archived from the original on July 22, 2011. Retrieved April 17, 2021.
"2011년 05월 Album Chart". Gaon (in Korean). Korea Music Content Association. Retrieved August 18, 2020.
"Timeless", "Sin and Punishment", "Saldaga", "Partner for Life", "Only Wind, Only Wind", "La La La", "Arirang", and "Cry Baby": "2021년 17주차 Digital Chart". Gaon Music Chart (in Korean). Retrieved April 29, 2021.
"SG워너비 4집, '2007 음반판매' 1위…19만장" [SG Wannabe's fourth album is #1 in 2007 album sales...190,000 copies]. Joy News 24 (in Korean). January 15, 2008. Retrieved April 29, 2021.
"2004.02월 - 가요 음반 판매량" [February 2004 K-pop Album Sales] (in Korean). Recording Industry Association of Korea. Archived from the original on July 3, 2008. Retrieved August 18, 2020.
"2005.4월 - 가요 음반 판매량" [April 2005 K-pop Album Sales] (in Korean). Recording Industry Association of Korea. Archived from the original on June 9, 2005. Retrieved August 18, 2020.
Recording Industry Association of Korea monthly chart positions for studio albums:
SG Wanna Be+: "2004.02월 - 가요 음반 판매량" [February 2004 K-pop Album Sales] (in Korean). Recording Industry Association of Korea. Archived from the original on July 3, 2008. Retrieved August 18, 2020.
"sg워너비 3집, 2006년 상반기 음반판매량 1위" [SG Wannabe's third album tops sales in the first half of 2006]. Star News (in Korean). July 22, 2006. Retrieved April 29, 2021.
"2004.02월 - 가요 음반 판매량" [February 2004 K-pop Album Sales] (in Korean). Recording Industry Association of Korea. Archived from the original on July 3, 2008. Retrieved August 18, 2020.
"2005.4월 - 가요 음반 판매량" [April 2005 K-pop Album Sales] (in Korean). Recording Industry Association of Korea. Archived from the original on June 9, 2005. Retrieved August 18, 2020.
Recording Industry Association of Korea monthly chart positions for studio albums:
SG Wanna Be+: "2004.02월 - 가요 음반 판매량" [February 2004 K-pop Album Sales] (in Korean). Recording Industry Association of Korea. Archived from the original on July 3, 2008. Retrieved August 18, 2020.
Cumulative sales of SG Wannabe by SG Wannabe 7 Part.I:
"2010년 가온차트 부문별 Top 100위" [2010 Gaon Chart Top 100]. Gaon Music Chart (in Korean). Archived from the original on July 22, 2011. Retrieved April 17, 2021.