"ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Select 6. týden 2021 in the date selector. Retrieved February 15, 2021.
"ČNS IFPI" (in Czech). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Select 47. týden 2020 in the date selector. Retrieved November 23, 2020.
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: Select 4. týden 2021 in the date selector. Retrieved February 1, 2021.
"ČNS IFPI" (in Slovak). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select 47. týden 2020 in the date selector. Retrieved November 23, 2020.