"ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Select 14. týden 2021 in the date selector. Retrieved 12 April 2021.
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: Select 8. týden 2021 in the date selector. Retrieved 1 March 2021.
"ČNS IFPI" (in Slovak). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select 9. týden 2021 in the date selector. Retrieved 8 March 2021.