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Qilson, Jen (August 1, 2008). "Five Rings To Rule Them All". Billboard. p. 24. Archived from the original on December 19, 2021. Retrieved September 17, 2019.
Brandle, Lars (June 16, 2007). "6 Questions - with Chris Smith". Billboard. p. 18. Archived from the original on December 19, 2021. Retrieved September 17, 2019.
Qilson, Jen (August 1, 2008). "Five Rings To Rule Them All". Billboard. p. 24. Archived from the original on December 19, 2021. Retrieved September 17, 2019.
"European Top 100 Albums 2001"(PDF). Music & Media. December 22, 2001. p. 15. Archived(PDF) from the original on August 23, 2020. Retrieved April 27, 2020.
Brandle, Lars (June 16, 2007). "6 Questions - with Chris Smith". Billboard. p. 18. Archived from the original on December 19, 2021. Retrieved September 17, 2019.