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Tom Hamburger; Dan Morain; Robin Fields (14 September 2007). "Hsu thrived in 'bundling' system". Los Angeles Times. Archived from the original on 6 November 2007. Retrieved 14 September 2007.
Ianthe Jeanne Dugan; Jonathan Cheng; Brody Mullins (8 September 2007). "What Made Norman Hsu Run?". The Wall Street Journal. Retrieved 8 September 2007.