อ้างอิง ของ ช็อง_ฮวี-อิน

  1. ↑ "Single Album".
  2. ↑ "Gaon Album Chart – 2019 (October)" (in Korean). Gaon Chart. สืบค้นเมื่อ 7 November 2019.CS1 maint: unrecognized language (link)
  3. 1 2 3 "Gaon Digital Chart". Gaon Music Chart.
  4. ↑ Cumulative sales of "Angel":
  5. ↑ Cumulative sale of "Da Ra Da":
  6. ↑ "2015년 02주차 Download Chart". Gaon Music Chart.
  7. ↑ "2015년 39주차 Download Chart". Gaon Music Chart.
  8. ↑ Cumulative sales of "Please Just Go":
  9. ↑ "2016년 05월 Download Chart" [May 2016 Download Chart]. Gaon Music Chart (in เกาหลี). p. 3. สืบค้นเมื่อ 2016-08-04.
  10. ↑ "2016년 41주차 Download Chart". Gaon Music Chart.
  11. ↑ "2017년Download Chart". Gaon Music Chart.
  12. ↑ "2017년 10월 Download Chart". Gaon Music Chart.

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