"ČNS IFPI" (in Czech). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Select 22. týden 2018 in the date selector. Retrieved June 7, 2018.
"ČNS IFPI" (in Slovak). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select 22. týden 2018 in the date selector. Retrieved June 7, 2018.