Chu, Bryan (April 15, 2008). "USF Hires Rex Walters". San Francisco Chronicle. p. C-1. Archived from the original on April 22, 2008. Retrieved May 25, 2020.
Chu, Bryan (April 15, 2008). "USF Hires Rex Walters". San Francisco Chronicle. p. C-1. Archived from the original on April 22, 2008. Retrieved May 25, 2020.