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Lee Hye-rin (December 14, 2011). 올해 가장 많이 팔린 음원은? 티아라 '롤리폴리' [Best-selling single of the Year? T-ara's Roly-Poly!]. Online Sports and Entertainment News (in Korean). Naver. Archived from the original on March 4, 2016. Retrieved August 25, 2015.
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2014년 12월 Album Chart [December 2014 Album Chart]. Gaon Music Chart. Archived from the original on February 3, 2015. Retrieved November 12, 2021.
2021년 12월 Album Chart [December 2021 Album Chart]. Gaon Music Chart (in Korean). Archived from the original on January 6, 2022. Retrieved January 6, 2022.
"Gaon Digital Chart". Gaon Chart (in Korean). Korea Music Content Industry Association. Archived from the original on March 9, 2017. Retrieved March 9, 2015.
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