"ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Change the chart to CZ – RADIO – TOP 100 and insert 201024 into search.
hitparadask.ifpicr.cz
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: insert 201019 into search.
"Jaaroverzichten 2010 - Singles". ultratop.be (in Dutch). ULTRATOP & Hung Medien / hitparade.ch. Archived from the original on June 22, 2015. Retrieved December 26, 2010.
"Rapports annuels 2010 - Singles". ultratop.be (in French). ULTRATOP & Hung Medien / hitparade.ch. Archived from the original on June 27, 2015. Retrieved December 26, 2010.
"Jaaroverzichten 2010 - Singles". ultratop.be (in Dutch). ULTRATOP & Hung Medien / hitparade.ch. Archived from the original on June 22, 2015. Retrieved December 26, 2010.
"Rapports annuels 2010 - Singles". ultratop.be (in French). ULTRATOP & Hung Medien / hitparade.ch. Archived from the original on June 27, 2015. Retrieved December 26, 2010.