"2006 Year-End Charts"(PDF). Billboard. Vol. 118, no. 51. December 23, 2006. p. YE-76. ISSN0006-2510. Archived(PDF) from the original on July 15, 2022. Retrieved March 24, 2013.
"2006 Year-End Charts"(PDF). Billboard. Vol. 118, no. 51. December 23, 2006. p. YE-76. ISSN0006-2510. Archived(PDF) from the original on July 15, 2022. Retrieved March 24, 2013.
"FIMI Mercato 2007" (in Italian). Federazione Industria Musicale Italiana. January 10, 2008. Archived from the original on March 6, 2012. Retrieved April 20, 2021. Click SCARICA L'ALLEGATO and later Mix_Singoli2007
"ČNS IFPI" (in Czech). Hitparáda – Radio Top 100 Oficiální. IFPI Czech Republic. Note: Select 04. týden 2007 in the date selector. Retrieved May 12, 2016.
hitparadask.ifpicr.cz
"ČNS IFPI" (in Slovak). Hitparáda – Radio Top 100 Oficiálna. IFPI Czech Republic. Note: insert 200643 into search. Retrieved May 12, 2016.
"FIMI Mercato 2007" (in Italian). Federazione Industria Musicale Italiana. January 10, 2008. Archived from the original on March 6, 2012. Retrieved April 20, 2021. Click SCARICA L'ALLEGATO and later Mix_Singoli2007
"2006 Year-End Charts"(PDF). Billboard. Vol. 118, no. 51. December 23, 2006. p. YE-76. ISSN0006-2510. Archived(PDF) from the original on July 15, 2022. Retrieved March 24, 2013.