"Album Chart "백지영" Search". Gaon (in Korean). Korea Music Content Association. Retrieved August 28, 2020.
2011년 06월 Album Chart [June 2011 Album Chart]. Gaon Chart. Korea Music Content Industry Association. Retrieved February 26, 2015.
Total sales for Flash Back Drama OST Best:
2013년 12월 Album Chart (국내) [December 2013 Album Chart (Domestic)]. Gaon Chart (in Korean). Korea Music Content Industry Association. Retrieved February 26, 2015.
2014년 10월 Album Chart (국내) [October 2014 Album Chart (Domestic)]. Gaon Chart (in Korean). Korea Music Content Industry Association. Retrieved February 26, 2015.
2012년 05월 Album Chart [August 2012 Album Chart]. Gaon Chart (in Korean). Korea Music Content Industry Association. Retrieved February 26, 2015.
"Digital Chart "백지영" Search". Gaon (in Korean). Korea Music Content Industry Association. Retrieved December 2, 2021.
"K-pop Album Sales Volume" (in Korean). Recording Industry Association of Korea. Archived from the original on February 19, 2009. Retrieved August 28, 2020.
Ko Seung-ah (August 11, 2022). "백지영·김숙 결성한 백숙, 신곡 '그 여자가 나야' 발표" [Baek Sook, formed by Ji-young Baek and Sook Kim, releases new song 'That Woman is Me'] (in Korean). News1. Retrieved August 11, 2022 – via Naver.
"K-pop Album Sales Volume" (in Korean). Recording Industry Association of Korea. Archived from the original on February 19, 2009. Retrieved August 28, 2020.