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"ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Change the chart to CZ – RADIO – TOP 100 and insert 201719 into search. Retrieved 15 May 2017.
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"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: insert 201736 into search. Retrieved 11 September 2017.
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"Schweizer Jahreshitparade 2017" [Swiss annual hit parade 2017] (in German). Hung Medien. Archived from the original on 8 February 2018. Retrieved 31 December 2017.