"Czech Albums – Top 100". ČNS IFPI. Note: On the chart page, select 26.Týden 2018 on the field besides the words "CZ – ALBUMS – TOP 100" to retrieve the correct chart. Retrieved July 6, 2018.
"Slovak Albums – Top 100" (in Slovak). ČNS IFPI. Retrieved July 6, 2018. Note: On the chart page, select 201826 on the field besides the word "Zobrazit", and then click over the word to retrieve the correct chart data