"'뮤직뱅크' 엑소만 있다면 겨울나기 준비 완료…'싱포유vs불공평해'" ['Music Bank' If only we had EXO, we could get through the winter...'SingForU vs. It's Fair']. My Daily (in Korean). 18 December 2015. Retrieved 26 June 2024 – via Naver.
"Exo 겨울 스페셜 앨범 'Sing For You'" [Exo Winter Special Album 'Sing For You']. SM Entertainment (in Korean). 10 December 2015. Archived from the original on 14 November 2023. Retrieved 14 November 2023.
"Exo 겨울 스페셜 앨범 'Sing For You'" [Exo Winter Special Album 'Sing For You']. SM Entertainment (in Korean). 10 December 2015. Archived from the original on 14 November 2023. Retrieved 14 November 2023.