2017년 12월 Album Chart [2017 December Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on January 12, 2018. Retrieved January 10, 2018.
19,782 (CD) + 1,151 (SMC)
2018년 03월 Album Chart [2018 March Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on June 5, 2018. Retrieved April 12, 2018.
2016년 Album Chart [2016 Yearly Album Chart (domestic)]. Gaon Music Chart (in Korean). Archived from the original on November 12, 2020. Retrieved January 14, 2017.
2017년 04월 Album Chart [2017 April Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on February 3, 2015. Retrieved May 10, 2017.
2018년 11월 Album Chart [2018 November Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on June 27, 2022. Retrieved December 6, 2018.
"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on February 4, 2015. Retrieved February 7, 2018.
"Wonderland". June 26 – July 7, 2016. Archived from the original on August 15, 2016. Retrieved August 6, 2020.
Cumulative sales for "Wonderland":
2016년 06월 Download Chart [June 2016 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on September 11, 2016. Retrieved January 19, 2018.
Cumulative sales for "A Girl Like Me":
"2017년 09주차 Download Chart" [09th Week of 2017 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on March 12, 2017. Retrieved August 17, 2017.
2017년 45주차 Digital Chart (국내) [Week 45 of 2017 Digital Chart (Domestic)]. Gaon Music Chart (in Korean). Archived from the original on March 8, 2022. Retrieved November 15, 2017.
2017년 45주차 Download Chart [Week 45 of 2017 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on July 25, 2020. Retrieved November 15, 2017.
2018년 05주차 Download Chart [Week 5 of 2018 Digital Chart]. Gaon Music Chart (in Korean). Archived from the original on February 8, 2018. Retrieved February 7, 2018.
2018년 45주차 Download Chart [Week 45 of 2018 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on March 8, 2022. Retrieved November 15, 2018.
"[소리바다어워즈]엑소·트와이스 대상·워너원 2관왕…K팝 축제 (종합)" [[SORIBADA AWARDS] EXO, TWICE Grand Prize, and Wanna One won two awards...K-pop Festival (Roundup)]. Mpop.heraldcorp.com. September 20, 2017. Archived from the original on December 6, 2021. Retrieved September 24, 2017.
Park, Hyun-min (April 12, 2016). "이오아이 측 "개별 활동? 팀에는 피해 없도록"" [I.O.I , "Individual activities?" Don't let the team suffer any harm done]. Osen (in Korean). Archived from the original on April 8, 2023. Retrieved June 19, 2016.
"'소리바다' 엑소, 韓최초 5년연속 대상..트와이스는 음원퀸[종합]" ["Soribada" EXO won the grand prize for the first time in Korea for five years in a row..TWICE is the music queen]. Mosen.mt.co.kr. September 20, 2017. Archived from the original on February 17, 2020. Retrieved September 24, 2017.
nate.com
news.nate.com
Hwang, Mi-hyun (May 5, 2016). "젤리피쉬 측 "6월 13일 NO…현재 I.O.I 활동에 집중"[공식]" [Jellyfish said, "June 13th, NO...Focus on current I.O.I activities" [official]]. Nate (in Korean). Archived from the original on April 10, 2023. Retrieved June 19, 2016.
Lee, Eun-jeong (June 17, 2016). "젤리피쉬 1호 걸그룹은 '구구단'…"올여름 샛별"" [Jellyfish's No. 1 girl group is "Gugudan"..."A new star this summer"]. Naver (in Korean). Yonhap News Agency. Archived from the original on April 11, 2023. Retrieved June 19, 2016.
Yoon, Gi-baek (December 30, 2020). "구구단, 4년 만에 해체 [공식]". Naver (in Korean). E-Daily. Archived from the original on November 12, 2020. Retrieved December 30, 2020.
"[공식] 구구단 미나x혜연, 8월 첫 유닛 출격..상큼 막내라인" [[Official] Gugudan Mina x Hyeyeon, the first unit in August..Refreshing youngest line] (in Korean). Archived from the original on July 31, 2017. Retrieved July 19, 2017.
Lee, Eun-jeong (June 17, 2016). "젤리피쉬 1호 걸그룹은 '구구단'…"올여름 샛별"" [Jellyfish's No. 1 girl group is "Gugudan"..."A new star this summer"]. Naver (in Korean). Yonhap News Agency. Archived from the original on April 11, 2023. Retrieved June 19, 2016.
Hwang, Mi-hyun (May 5, 2016). "젤리피쉬 측 "6월 13일 NO…현재 I.O.I 활동에 집중"[공식]" [Jellyfish said, "June 13th, NO...Focus on current I.O.I activities" [official]]. Nate (in Korean). Archived from the original on April 10, 2023. Retrieved June 19, 2016.
Park, Hyun-min (April 12, 2016). "이오아이 측 "개별 활동? 팀에는 피해 없도록"" [I.O.I , "Individual activities?" Don't let the team suffer any harm done]. Osen (in Korean). Archived from the original on April 8, 2023. Retrieved June 19, 2016.
Yoon, Gi-baek (December 30, 2020). "구구단, 4년 만에 해체 [공식]". Naver (in Korean). E-Daily. Archived from the original on November 12, 2020. Retrieved December 30, 2020.
"[공식] 구구단 미나x혜연, 8월 첫 유닛 출격..상큼 막내라인" [[Official] Gugudan Mina x Hyeyeon, the first unit in August..Refreshing youngest line] (in Korean). Archived from the original on July 31, 2017. Retrieved July 19, 2017.
2017년 12월 Album Chart [2017 December Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on January 12, 2018. Retrieved January 10, 2018.
2018년 03월 Album Chart [2018 March Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on June 5, 2018. Retrieved April 12, 2018.
"Stand By". October 1, 2018. Archived from the original on October 1, 2020. Retrieved August 6, 2020.
2016년 Album Chart [2016 Yearly Album Chart (domestic)]. Gaon Music Chart (in Korean). Archived from the original on November 12, 2020. Retrieved January 14, 2017.
2017년 04월 Album Chart [2017 April Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on February 3, 2015. Retrieved May 10, 2017.
2018년 11월 Album Chart [2018 November Monthly Album Chart]. Gaon Music Chart (in Korean). Archived from the original on June 27, 2022. Retrieved December 6, 2018.
"Gaon Digital Chart". Gaon Music Chart (in Korean). Archived from the original on February 4, 2015. Retrieved February 7, 2018.
"Wonderland". June 26 – July 7, 2016. Archived from the original on August 15, 2016. Retrieved August 6, 2020.
2016년 06월 Download Chart [June 2016 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on September 11, 2016. Retrieved January 19, 2018.
Cumulative sales for "A Girl Like Me":
"2017년 09주차 Download Chart" [09th Week of 2017 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on March 12, 2017. Retrieved August 17, 2017.
2017년 45주차 Digital Chart (국내) [Week 45 of 2017 Digital Chart (Domestic)]. Gaon Music Chart (in Korean). Archived from the original on March 8, 2022. Retrieved November 15, 2017.
2017년 45주차 Download Chart [Week 45 of 2017 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on July 25, 2020. Retrieved November 15, 2017.
2018년 05주차 Download Chart [Week 5 of 2018 Digital Chart]. Gaon Music Chart (in Korean). Archived from the original on February 8, 2018. Retrieved February 7, 2018.
2018년 45주차 Download Chart [Week 45 of 2018 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on March 8, 2022. Retrieved November 15, 2018.
"'소리바다' 엑소, 韓최초 5년연속 대상..트와이스는 음원퀸[종합]" ["Soribada" EXO won the grand prize for the first time in Korea for five years in a row..TWICE is the music queen]. Mosen.mt.co.kr. September 20, 2017. Archived from the original on February 17, 2020. Retrieved September 24, 2017.
"[소리바다어워즈]엑소·트와이스 대상·워너원 2관왕…K팝 축제 (종합)" [[SORIBADA AWARDS] EXO, TWICE Grand Prize, and Wanna One won two awards...K-pop Festival (Roundup)]. Mpop.heraldcorp.com. September 20, 2017. Archived from the original on December 6, 2021. Retrieved September 24, 2017.