"2015 Download Chart". Gaon Chart (dalam bahasa Korean). Korea Music Content Industry Association. Diarkibkan daripada yang asal pada January 11, 2016. Dicapai pada January 11, 2015.CS1 maint: unrecognized language (link)
"2015 Download Chart". Gaon Chart (dalam bahasa Korean). Korea Music Content Industry Association. Diarkibkan daripada yang asal pada January 11, 2016. Dicapai pada January 11, 2015.CS1 maint: unrecognized language (link)