"ČNS IFPI" (Çekçe). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Change the chart to CZ – RADIO – TOP 100 and insert 201651,52 into search. Erişim tarihi: 4 Ocak 2019.
"ČNS IFPI" (Çekçe). Hitparáda – Digital Top 100 Oficiální. IFPI Czech Republic. Note: Change the chart to CZ – SINGLES DIGITAL – TOP 100 and insert 201652 into search.
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: insert 201851 into search. Erişim tarihi: 4 Ocak 2019.
"ČNS IFPI" (Slovakça). Hitparáda – Singles Digital Top 100 Oficiálna. IFPI Czech Republic. Note: Select SINGLES DIGITAL - TOP 100 and insert 201850 into search. Erişim tarihi: Aralık 18, 2018.