"Gaon Album Chart" (in Korean). Gaon Music Chart. Archived from the original on December 8, 2015. Retrieved March 5, 2016.
"Would You Like?". February 27, 2016. Archived from the original on May 6, 2016. Retrieved August 1, 2017.
"2017년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on January 12, 2018. Retrieved January 12, 2018.
Cumulative Sales for Would You Like?:
"2016년 09월 Album Chart". Gaon (in Korean). Korea Music Content Association. p. 2. Archived from the original on October 6, 2016. Retrieved October 6, 2016.
Cumulative Sales for The Secret:
"2016년 10월 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on December 20, 2016. Retrieved November 12, 2016.
"2018년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on January 11, 2019. Retrieved February 7, 2019.
"2019년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on August 10, 2019. Retrieved January 10, 2020.
Cumulative Sales for As You Wish:
"2019년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on August 10, 2019. Retrieved January 10, 2020.
Cumulative Sales for Neverland:
"2020년 06월 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on July 9, 2020. Retrieved July 9, 2020.
"2021년 상반기 Album Chart" [First Half of 2021 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on July 9, 2021. Retrieved July 9, 2021.
"Gaon Digital Chart" (in Korean). Gaon Music Chart. Archived from the original on July 8, 2016. Retrieved March 5, 2016.
"Secret". August 20, 2016. Archived from the original on August 29, 2016. Retrieved August 1, 2017.
Cumulative sales for "Mo Mo Mo":
2016년 09주차 Download Chart [2016 Week 09 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on August 23, 2016. Retrieved August 22, 2016.
Cumulative sales for "The Secret":
2016년 34주차 Download Chart [2016 Week 34 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on August 29, 2016. Retrieved December 26, 2016.
Cumulative sales for "I Wish":
2017년 01월 Download Chart [2017 January Download Chart]. Gaon Music Chart (in Korean). Archived from the original on February 12, 2017. Retrieved April 2, 2017.
Cumulative sales for "Happy"
2017년 23주차 Download Chart [23rd week of 2017 Download Chart]. Gaon Chart. Archived from the original on July 25, 2017. Retrieved June 15, 2017.
週間 アルバムランキング - 2020年06月22日付 [Weekly Album Ranking - June 22, 2020]. Oricon News (in Japanese). Oricon ME inc. Archived from the original on June 18, 2020. Retrieved June 18, 2020.
"2016년 09월 Album Chart". Gaon (in Korean). Korea Music Content Association. p. 2. Archived from the original on October 6, 2016. Retrieved October 6, 2016.
Cumulative Sales for The Secret:
"2016년 10월 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on December 20, 2016. Retrieved November 12, 2016.
"2018년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on January 11, 2019. Retrieved February 7, 2019.
"2019년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on August 10, 2019. Retrieved January 10, 2020.
Cumulative Sales for As You Wish:
"2019년 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on August 10, 2019. Retrieved January 10, 2020.
Cumulative Sales for Neverland:
"2020년 06월 Album Chart". Gaon (in Korean). Korea Music Content Association. Archived from the original on July 9, 2020. Retrieved July 9, 2020.
週間 アルバムランキング - 2020年06月22日付 [Weekly Album Ranking - June 22, 2020]. Oricon News (in Japanese). Oricon ME inc. Archived from the original on June 18, 2020. Retrieved June 18, 2020.
"2021년 상반기 Album Chart" [First Half of 2021 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on July 9, 2021. Retrieved July 9, 2021.
"Gaon Digital Chart" (in Korean). Gaon Music Chart. Archived from the original on July 8, 2016. Retrieved March 5, 2016.
"Secret". August 20, 2016. Archived from the original on August 29, 2016. Retrieved August 1, 2017.
"As You Wish". Billboard Korea (in Korean). January 15, 2022. Archived from the original on January 11, 2022. Retrieved January 12, 2022.
Cumulative sales for "Mo Mo Mo":
2016년 09주차 Download Chart [2016 Week 09 Download Chart]. Gaon Music Chart (in Korean). p. 2. Archived from the original on August 23, 2016. Retrieved August 22, 2016.
Cumulative sales for "The Secret":
2016년 34주차 Download Chart [2016 Week 34 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on August 29, 2016. Retrieved December 26, 2016.
Cumulative sales for "I Wish":
2017년 01월 Download Chart [2017 January Download Chart]. Gaon Music Chart (in Korean). Archived from the original on February 12, 2017. Retrieved April 2, 2017.
Cumulative sales for "Happy"
2017년 23주차 Download Chart [23rd week of 2017 Download Chart]. Gaon Chart. Archived from the original on July 25, 2017. Retrieved June 15, 2017.