"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 Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Change the chart to CZ – RADIO – TOP 100 and insert 201930,31 into search. Retrieved July 29, 2019.
"ČNS IFPI" (in Czech). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Change the chart to CZ – SINGLES DIGITAL – TOP 100 and insert 201914 into search. Retrieved April 8, 2019.
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: insert 201944 into search. Retrieved November 5, 2019.
"ČNS IFPI" (in Slovak). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select SINGLES DIGITAL - TOP 100 and insert 201914 into search. Retrieved April 9, 2019.
"TOP 100 de canciones de SGP" [Top 100 Songs by SGP] (in Spanish). Sociedad de Gestión de Productores Fonográficos del Paraguay (SGP). Archived from the original on January 10, 2020. Retrieved January 11, 2020.
"TOP 100 de canciones de SGP" [Top 100 Songs by SGP] (in Spanish). Sociedad de Gestión de Productores Fonográficos del Paraguay (SGP). Archived from the original on January 10, 2020. Retrieved January 11, 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.