Mayfield, Geoff (3 July 2004). "Over the Counter"(PDF). Billboard Magazine. 116 (27). Nielsen Business Media, Inc.: 57. ISSN0006-2510. Retrieved 16 December 2015.
"This Year in Music"(PDF). Billboard Magazine. 116 (52). Nielsen Business Media, Inc.: YE-22, YE-73 25 December 2004. ISSN0006-2510. Retrieved 6 December 2015.
Murray, Nigel (31 July 2004). "One Million While On Tour"(PDF). Billboard Magazine. 116 (31). Nielsen Business Media, Inc. ISSN0006-2510. Retrieved 6 December 2015.
"The ARIA Report"(PDF). Australian Recording Industry Association (745). Australia: Australian Web Archives: 19. 7 June 2004. Archived from the original(PDF) on 6 June 2004. Retrieved 26 December 2015.
"The ARIA Report"(PDF). Australian Recording Industry Association (745). Australia: Australian Web Archives: 19. 7 June 2004. Archived from the original(PDF) on 6 June 2004. Retrieved 26 December 2015.
Mayfield, Geoff (3 July 2004). "Over the Counter"(PDF). Billboard Magazine. 116 (27). Nielsen Business Media, Inc.: 57. ISSN0006-2510. Retrieved 16 December 2015.
"This Year in Music"(PDF). Billboard Magazine. 116 (52). Nielsen Business Media, Inc.: YE-22, YE-73 25 December 2004. ISSN0006-2510. Retrieved 6 December 2015.
Murray, Nigel (31 July 2004). "One Million While On Tour"(PDF). Billboard Magazine. 116 (31). Nielsen Business Media, Inc. ISSN0006-2510. Retrieved 6 December 2015.