"Top 40/M Cool New Music". All Access Music Group. Archived from the original on November 30, 2016. Retrieved March 2, 2022. Type Billie Eilish in the Search field.
"ČNS IFPI" (in Slovak). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select 14. týden 2019 in the date selector. Retrieved June 20, 2020.
"ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Select 04. týden 2020 in the date selector. Retrieved January 28, 2020.
"ČNS IFPI" (in Czech). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Select 14. týden 2019 in the date selector. Retrieved June 20, 2020.
"Top 40/M Cool New Music". All Access Music Group. Archived from the original on November 30, 2016. Retrieved March 2, 2022. Type Billie Eilish in the Search field.