International Federation of the Phonographic Industry. Gold & Platin (Searchable Database). IFPI (Austria). 21 September 2000 [8 August 2010]. (原始内容存档于2011-05-11).
International Federation of the Phonographic Industry. Gold & Platin (Searchable Database). IFPI (Austria). 21 September 2000 [8 August 2010]. (原始内容存档于2011-05-11).