"IFPI Charts". www.ifpi.gr. Retrieved January 20, 2020.
ifpicr.cz
"ČNS IFPI" (in Czech). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Select 07. týden 2020 in the date selector. Retrieved February 18, 2020.
"ČNS IFPI" (in Slovak). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select 07. týden 2020 in the date selector. Retrieved February 18, 2020.