"Gaon Album Chart". Gaon Music Chart (in Korean). Archived from the original on September 22, 2013. Retrieved October 19, 2013.
2013년 Album Chart [2013 Album Chart]. Gaon Music Chart (in Korean). p. 3. Archived from the original on September 13, 2016. Retrieved April 8, 2015.
2017년 08월 Album Chart [August 2017 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on September 22, 2018. Retrieved August 28, 2020.
2012년 03월 Album Chart [March 2012 Album Chart]. Gaon Music Chart. Archived from the original on July 30, 2017. Retrieved August 26, 2017.
2013년 06월 Album Chart [June 2016 Album Chart]. Gaon Music Chart. Archived from the original on November 3, 2020. Retrieved August 26, 2017.
"2015년 Album Chart". Gaon Music Chart (in Korean). p. 2. Archived from the original on August 16, 2016. Retrieved August 4, 2016.
2015년 12월 Album Chart [December 2015 Album Chart]. Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on January 25, 2016. Retrieved February 14, 2016.
2017년 07월 Album Chart (국내) [July 2017 Album Chart (Domestic)]. Gaon Music Chart (in Korean). Archived from the original on June 9, 2020. Retrieved August 28, 2020.
2012년 02월 Album Chart [March 2012 Album Chart]. Gaon Music Chart. Archived from the original on January 18, 2017. Retrieved August 26, 2017.
"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on September 22, 2013. Retrieved October 19, 2013.
"No Playboy". August 21, 2010. Archived from the original on November 15, 2020. Retrieved November 8, 2020.
"2012년 Download Chart" [2012 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on August 15, 2016. Retrieved July 27, 2018.
"2012년 Download Chart" [2012 Download Chart]. Gaon Music Chart (in Korean). p. 4. Archived from the original on August 15, 2016. Retrieved July 27, 2018.
"2013년 Download Chart" [2013 Download Chart]. Gaon Music Chart (in Korean). p. 4. Archived from the original on August 15, 2016. Retrieved July 27, 2018.
Cumulative sales for "Gun":
"2013년 10월 Download Chart" [October 2013 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on November 7, 2020. Retrieved July 9, 2015.
Cumulative sales for "Glue":
"2013년 12월 Download Chart" [December 2013 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on June 23, 2015. Retrieved July 27, 2018.
2015년 07월 Download Chart [July 2015 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on March 4, 2016. Retrieved August 4, 2016.
Cumulative Sales for "Sleepless Night":
2015년 11월 Download Chart [November 2015 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on August 15, 2016. Retrieved August 4, 2016.
2017년 25주차 Download Chart [Week 24 of 2017 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on August 18, 2017. Retrieved July 28, 2017.
"Gaon Album Chart". Gaon Music Chart (in Korean). Archived from the original on September 22, 2013. Retrieved October 19, 2013.
2013년 Album Chart [2013 Album Chart]. Gaon Music Chart (in Korean). p. 3. Archived from the original on September 13, 2016. Retrieved April 8, 2015.
2017년 08월 Album Chart [August 2017 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on September 22, 2018. Retrieved August 28, 2020.
"2015년 Album Chart". Gaon Music Chart (in Korean). p. 2. Archived from the original on August 16, 2016. Retrieved August 4, 2016.
2015년 12월 Album Chart [December 2015 Album Chart]. Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on January 25, 2016. Retrieved February 14, 2016.
2017년 07월 Album Chart (국내) [July 2017 Album Chart (Domestic)]. Gaon Music Chart (in Korean). Archived from the original on June 9, 2020. Retrieved August 28, 2020.
2012년 02월 Album Chart [March 2012 Album Chart]. Gaon Music Chart. Archived from the original on January 18, 2017. Retrieved August 26, 2017.
"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on September 22, 2013. Retrieved October 19, 2013.
"No Playboy". August 21, 2010. Archived from the original on November 15, 2020. Retrieved November 8, 2020.
"2012년 Download Chart" [2012 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on August 15, 2016. Retrieved July 27, 2018.
"2012년 Download Chart" [2012 Download Chart]. Gaon Music Chart (in Korean). p. 4. Archived from the original on August 15, 2016. Retrieved July 27, 2018.
"2013년 Download Chart" [2013 Download Chart]. Gaon Music Chart (in Korean). p. 4. Archived from the original on August 15, 2016. Retrieved July 27, 2018.
Cumulative sales for "Gun":
"2013년 10월 Download Chart" [October 2013 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on November 7, 2020. Retrieved July 9, 2015.
Cumulative sales for "Glue":
"2013년 12월 Download Chart" [December 2013 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on June 23, 2015. Retrieved July 27, 2018.
2015년 07월 Download Chart [July 2015 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on March 4, 2016. Retrieved August 4, 2016.
Cumulative Sales for "Sleepless Night":
2015년 11월 Download Chart [November 2015 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on August 15, 2016. Retrieved August 4, 2016.
2017년 25주차 Download Chart [Week 24 of 2017 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on August 18, 2017. Retrieved July 28, 2017.