"NC.A (앤씨아)". Hot New Face with DJ Isak. Arirang Radio (via WordPress). August 17, 2013. Archived from the original on October 7, 2013. Retrieved October 5, 2013.
2016년 53주차 Download Chart [53rd week of 2016 Download Chart]. Gaon Music Chart (in Korean). Retrieved May 10, 2019.
2018년 09주차 Download Chart [Week 9 of 2018 Download Chart]. Gaon Music Chart (in Korean). Retrieved May 10, 2019.
2016년 상반기 결산 Download Chart [First Half of 2016 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on August 12, 2016. Retrieved May 10, 2019.
"NC.A (앤씨아)". Hot New Face with DJ Isak. Arirang Radio (via WordPress). August 17, 2013. Archived from the original on October 7, 2013. Retrieved October 5, 2013.
2016년 상반기 결산 Download Chart [First Half of 2016 Download Chart]. Gaon Music Chart (in Korean). Archived from the original on August 12, 2016. Retrieved May 10, 2019.