"Country Aircheck Chart Info"(PDF). Country Aircheck. No. 155. August 24, 2009. p. 15. Archived(PDF) from the original on August 28, 2021. Retrieved August 27, 2021.
Galloway 2020, p. 252. Galloway, Kate (2020). "Musicking Fan Culture and Circulating the Materiality of Taylor Swift Musical Greeting Cards on YouTube". American Music. 38 (2): 240–261. doi:10.5406/americanmusic.38.2.0240.
"Country Aircheck Chart Info"(PDF). Country Aircheck. No. 155. August 24, 2009. p. 15. Archived(PDF) from the original on August 28, 2021. Retrieved August 27, 2021.
"Fifteen - Taylor Swift". Billboard. Nielsen Business Media, Inc. Archived from the original on November 21, 2021. Retrieved March 18, 2011.