"2015 Album Chart". Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on January 11, 2016. Retrieved January 11, 2016.
Cumulative sales for 'Only One For Me' "Gaon Certification". Gaon Chart (in Korean). Korea Music Content Industry Association. Retrieved 30 September 2020.
"2016년 46주차 Download Chart" [Gaon Download Chart November 6-November 12, 2016]. Gaon Chart. Korea Music Content Industry Association. Retrieved 20 November 2016.
"2017년 10주차 Download Chart" [Gaon Download Chart March 5-March 11, 2017]. Gaon Chart. Korea Music Content Industry Association. Retrieved 16 March 2017.
週間 CDシングルランキング 2017年05月01日~2017年05月07日 [CD single weekly ranking from May 1, 2017 to May 7, 2017] (in Japanese). Oricon. Archived from the original on May 10, 2017. Retrieved May 10, 2017.
週間 CDシングルランキング 2017年08月28日~2017年09月03日 [CD single weekly ranking from August 28, 2017 to September 3, 2017] (in Japanese). Oricon. Archived from the original on September 6, 2017. Retrieved September 6, 2017.
"2015 Album Chart". Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on January 11, 2016. Retrieved January 11, 2016.
週間 CDシングルランキング 2017年05月01日~2017年05月07日 [CD single weekly ranking from May 1, 2017 to May 7, 2017] (in Japanese). Oricon. Archived from the original on May 10, 2017. Retrieved May 10, 2017.
週間 CDシングルランキング 2017年08月28日~2017年09月03日 [CD single weekly ranking from August 28, 2017 to September 3, 2017] (in Japanese). Oricon. Archived from the original on September 6, 2017. Retrieved September 6, 2017.