International Federation of the Phonographic Industry (January 2008). "Digital Music Report_2008". Archived from the original on 5 December 2008. Retrieved 24 November 2008.
Sarah McBride and Ellen Smith (19 December 2008). "Music Industry to Abandon Mass Suits". The Wall Street Journal. Archived from the original on 21 December 2008. Retrieved 23 December 2008.
International Federation of the Phonographic Industry (January 2008). "Digital Music Report_2008". Archived from the original on 5 December 2008. Retrieved 24 November 2008.
Sarah McBride and Ellen Smith (19 December 2008). "Music Industry to Abandon Mass Suits". The Wall Street Journal. Archived from the original on 21 December 2008. Retrieved 23 December 2008.