2013년 25주차 Album Chart [Album Chart – Week 25 of 2013]. Gaon Music Chart (in Korean). Archived from the original on April 2, 2015. Retrieved January 7, 2022.
2013년 06월 Album Chart [June 2013 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on September 24, 2015. Retrieved January 7, 2022.
2013년 07월 Album Chart [July 2013 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on April 2, 2015. Retrieved November 12, 2014. (Note: See #10)
2013년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on April 2, 2015. Retrieved January 7, 2022. (Note: See #65)
2013년 25주차 Digital Chart [Digital Chart – Week 25 of 2013]. Gaon Music Chart. Archived from the original on August 28, 2016. Retrieved August 31, 2017. (Note: See #124)
2013년 25주차 Download Chart [Download Chart – Week 25 of 2013]. Gaon Music Chart (in Korean). Archived from the original on March 4, 2016. Retrieved January 7, 2022.
2014년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on October 8, 2016. Retrieved January 21, 2017. (Note: See #106)
2015년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 11, 2016. Retrieved January 21, 2017. (Note: See #96)
2016년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 16, 2017. Retrieved January 21, 2017. (Note: See #90)
2017년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 12, 2018. Retrieved January 12, 2019. (Note: See #98)
2018년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 11, 2019. Retrieved January 12, 2019. (Note: See #85)
2019년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 15, 2020. Retrieved January 10, 2020. (Note: See #76)
2021년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 7, 2022. Retrieved January 7, 2022. (See #90)
Gaon cumulative sales of 2 Cool 4 Skool:
2013년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on February 20, 2015. Retrieved September 8, 2018.
"Searching Works". komca.or.kr. Retrieved October 26, 2018. (Note: Type "2 Cool 4 Skool" in the 'Album Title' parameter and tap/click the 'Search' button to view all registered song results.)
naver.com
entertain.naver.com
Jang, Jin (May 20, 2013). '방시혁의 비밀병기' 방탄소년단, 5월 가요계 출격 ["Bang Si-hyuk's secret weapon" BTS to enter the K-pop scene in May]. JoyNews24 (in Korean). Archived from the original on January 3, 2018. Retrieved February 2, 2022.
Choi, Ji-ye (May 27, 2013). 신예 방탄소년단, 힙합색 가득한 트레일러 공개 [Rookie BTS releases a trailer full of hip hop colors]. My Daily (in Korean). Archived from the original on November 1, 2020. Retrieved February 2, 2022.
Lee, Jeong-hyuk (June 3, 2013). 데뷔 앞둔 방탄소년단, 멤버 V 사진 공개 [Member V's photos released ahead of BTS debut]. Sports Chosun (in Korean). Archived from the original on February 3, 2022. Retrieved February 2, 2022.
Im, Young-jin (June 4, 2013). 방탄소년단 멤버 진-지민-정국, 얼굴 공개..'꽃미모' [BTS members Jin-Jimin-Jungkook, faces revealed..."Flower beauty"]. OSEN [ko] (in Korean). Archived from the original on October 6, 2017. Retrieved February 2, 2022.
Park, Geon-wook (June 12, 2013). 방탄소년단, 12일 데뷔 싱글 공개 '10대 공감 살까?' [BTS, to release their debut single on the 12th. 'Will teenagers sympathize?']. Asia Economy (in Korean). Archived from the original on June 21, 2021. Retrieved June 20, 2021 – via Naver.
Hwang, Hye-jin (December 28, 2023). 방탄소년단 정국, 美 빌보드 메인차트서도 역주행…7주 연속 차트인 [BTS Jungkook's comeback on the US Billboard main chart... Chart for 7 consecutive weeks]. Newsen (in Korean). Archived from the original on January 30, 2024. Retrieved January 30, 2024.
Jang, Jin (May 20, 2013). '방시혁의 비밀병기' 방탄소년단, 5월 가요계 출격 ["Bang Si-hyuk's secret weapon" BTS to enter the K-pop scene in May]. JoyNews24 (in Korean). Archived from the original on January 3, 2018. Retrieved February 2, 2022.
Choi, Ji-ye (May 27, 2013). 신예 방탄소년단, 힙합색 가득한 트레일러 공개 [Rookie BTS releases a trailer full of hip hop colors]. My Daily (in Korean). Archived from the original on November 1, 2020. Retrieved February 2, 2022.
Lee, Jeong-hyuk (June 3, 2013). 데뷔 앞둔 방탄소년단, 멤버 V 사진 공개 [Member V's photos released ahead of BTS debut]. Sports Chosun (in Korean). Archived from the original on February 3, 2022. Retrieved February 2, 2022.
Im, Young-jin (June 4, 2013). 방탄소년단 멤버 진-지민-정국, 얼굴 공개..'꽃미모' [BTS members Jin-Jimin-Jungkook, faces revealed..."Flower beauty"]. OSEN [ko] (in Korean). Archived from the original on October 6, 2017. Retrieved February 2, 2022.
2013년 25주차 Album Chart [Album Chart – Week 25 of 2013]. Gaon Music Chart (in Korean). Archived from the original on April 2, 2015. Retrieved January 7, 2022.
2013년 06월 Album Chart [June 2013 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on September 24, 2015. Retrieved January 7, 2022.
2013년 07월 Album Chart [July 2013 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on April 2, 2015. Retrieved November 12, 2014. (Note: See #10)
2013년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on April 2, 2015. Retrieved January 7, 2022. (Note: See #65)
2013년 25주차 Digital Chart [Digital Chart – Week 25 of 2013]. Gaon Music Chart. Archived from the original on August 28, 2016. Retrieved August 31, 2017. (Note: See #124)
2013년 25주차 Download Chart [Download Chart – Week 25 of 2013]. Gaon Music Chart (in Korean). Archived from the original on March 4, 2016. Retrieved January 7, 2022.
"No More Dream"'s initial entry on the Billboard World Digital Song Sales chart:
Hwang, Hye-jin (December 28, 2023). 방탄소년단 정국, 美 빌보드 메인차트서도 역주행…7주 연속 차트인 [BTS Jungkook's comeback on the US Billboard main chart... Chart for 7 consecutive weeks]. Newsen (in Korean). Archived from the original on January 30, 2024. Retrieved January 30, 2024.
2014년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on October 8, 2016. Retrieved January 21, 2017. (Note: See #106)
2015년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 11, 2016. Retrieved January 21, 2017. (Note: See #96)
2016년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 16, 2017. Retrieved January 21, 2017. (Note: See #90)
2017년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 12, 2018. Retrieved January 12, 2019. (Note: See #98)
2018년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 11, 2019. Retrieved January 12, 2019. (Note: See #85)
2019년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 15, 2020. Retrieved January 10, 2020. (Note: See #76)
2021년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on January 7, 2022. Retrieved January 7, 2022. (See #90)
Gaon cumulative sales of 2 Cool 4 Skool:
2013년 Album Chart. Gaon Music Chart (in Korean). Archived from the original on February 20, 2015. Retrieved September 8, 2018.
Park, Geon-wook (June 12, 2013). 방탄소년단, 12일 데뷔 싱글 공개 '10대 공감 살까?' [BTS, to release their debut single on the 12th. 'Will teenagers sympathize?']. Asia Economy (in Korean). Archived from the original on June 21, 2021. Retrieved June 20, 2021 – via Naver.
References for 2C4S digital release in various territories:
Im, Young-jin (June 4, 2013). 방탄소년단 멤버 진-지민-정국, 얼굴 공개..'꽃미모' [BTS members Jin-Jimin-Jungkook, faces revealed..."Flower beauty"]. OSEN [ko] (in Korean). Archived from the original on October 6, 2017. Retrieved February 2, 2022.