"Online download – 2014". Gaon Chart (in Korean). Korea Music Content Industry Association. To view sales from 2014, select "2014 년". Archived from the original on June 10, 2013. Retrieved September 5, 2014.
"Online download – 2014 Month End Chart - September". Gaon Chart (in Korean). Korea Music Content Industry Association. To view sales from September "2014년 1월", "2014년 2월", and "2014년 3월", respectively. Archived from the original on June 10, 2013. Retrieved September 12, 2014.
"Online download – 2014". Gaon Chart (in Korean). Korea Music Content Industry Association. To view sales from 2014, select "2014 년". Archived from the original on June 10, 2013. Retrieved September 5, 2014.
"Online download – 2014 Month End Chart - September". Gaon Chart (in Korean). Korea Music Content Industry Association. To view sales from September "2014년 1월", "2014년 2월", and "2014년 3월", respectively. Archived from the original on June 10, 2013. Retrieved September 12, 2014.