Inc, Nielsen Business Media (May 27, 2006). Billboard May 27, 2006 issue. Nielsen Business Media, Inc. p. 31. Archived from the original on July 24, 2020. {{cite book}}: |last1= has generic name (help)
Inc, Nielsen Business Media (May 27, 2006). Billboard May 27, 2006 issue. Nielsen Business Media, Inc. p. 31. Archived from the original on July 24, 2020. {{cite book}}: |last1= has generic name (help)