2019년 03월 Album Chart [Album Chart – March 2019]. Gaon Music Chart (in Korean). Archived from the original on June 6, 2019. Retrieved September 17, 2019. (Note: See #65 for She's Fine sales)
Heize EPs on Gaon Album Chart:
"And July". Gaon Music Chart. July 24–30, 2016. Archived from the original on 2017-02-01. Retrieved 2016-11-21.
"2020년 06월 Album Chart" [June 2020 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on July 11, 2020. Retrieved January 29, 2022.
Peak chart positions for Singles (As lead artist) on Gaon Digital Chart:
"My, Myself and I". September 27 – October 3, 2015. Archived from the original on October 8, 2015. Retrieved July 7, 2017.
"GAON's 관찰노트". Gaon Music Chart (in Korean). Archived from the original on December 27, 2019. Retrieved September 12, 2018.
Lee, Min-ji (March 16, 2019). 헤이즈, 첫 정규앨범 트랙리스트 공개…선우정아X쌈디 협업 [Heize releases tracklist for first full-length album...Sunwoo Jung-a X Simon D collaboration.]. Newen (in Korean). Archived from the original on December 6, 2021. Retrieved December 5, 2021 – via Naver.
Jeong, Ji-won (June 16, 2017). "비 오는 날 히든트랙 발표"…헤이즈, 신선한 컴백 홍보. Osen (in Korean). Archived from the original on December 5, 2021. Retrieved December 5, 2021 – via Naver.
Lee, Min-ji (March 16, 2019). 헤이즈, 첫 정규앨범 트랙리스트 공개…선우정아X쌈디 협업 [Heize releases tracklist for first full-length album...Sunwoo Jung-a X Simon D collaboration.]. Newen (in Korean). Archived from the original on December 6, 2021. Retrieved December 5, 2021 – via Naver.
2019년 03월 Album Chart [Album Chart – March 2019]. Gaon Music Chart (in Korean). Archived from the original on June 6, 2019. Retrieved September 17, 2019. (Note: See #65 for She's Fine sales)
Heize EPs on Gaon Album Chart:
"And July". Gaon Music Chart. July 24–30, 2016. Archived from the original on 2017-02-01. Retrieved 2016-11-21.
Jeong, Ji-won (June 16, 2017). "비 오는 날 히든트랙 발표"…헤이즈, 신선한 컴백 홍보. Osen (in Korean). Archived from the original on December 5, 2021. Retrieved December 5, 2021 – via Naver.
Cumulative sales for /// (You, Clouds, Rain) on Gaon Album Chart:
"2020년 06월 Album Chart" [June 2020 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on July 11, 2020. Retrieved January 29, 2022.
Peak chart positions for Singles (As lead artist) on Gaon Digital Chart:
"My, Myself and I". September 27 – October 3, 2015. Archived from the original on October 8, 2015. Retrieved July 7, 2017.