"ČNS IFPI" (in Czech). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Select 32. týden 2021 in the date selector. Retrieved August 17, 2021.
hitparadask.ifpicr.cz
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: insert 20224 into search. Retrieved February 1, 2022.
hitparada.ifpicr.cz
"ČNS IFPI". IFPI ČR. Note: Select SK SINGLES DIGITAL TOP 100 and insert 202134 into search. Retrieved August 30, 2021.