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^"The Year in Music 2001: Hot R&B/Hip-Hop Singles Sales". Billboard. Vol. 113, no. 52. Nielsen Business Media, Inc. December 29, 2001. p. YE-45. ISSN0006-2510.
^"The Year in Music 2001: Hot Rap Singles". Billboard. Vol. 113, no. 52. Nielsen Business Media, Inc. December 29, 2001. p. YE-46. ISSN0006-2510.