Pope, Kyle. "Dell chief disbands project." Austin American-Statesman. February 25, 1990. A1. Retrieved on May 4, 2010. "Dell is headquartered at the Arboretum complex in North Austin and employs about 1200 people."
Mahoney, Jerry. "Dell's success is Round Rock's gain." Austin American-Statesman. January 9, 1996. A1. Retrieved on May 4, 2010. "Dell will have room for 6400 employees when it finishes Round Rock 3 in November . The company, which still employs about 3500 people at its headquarters."
HANSELL, Saul; VANCE, Ashlee. Dell to Spend $3.9 Billion to Acquire Perot Systems (Published 2009). The New York Times. 2009-09-21. Dostupné online [cit. 2021-02-14]. ISSN0362-4331. (anglicky)
HANSELL, Saul; VANCE, Ashlee. Dell to Spend $3.9 Billion to Acquire Perot Systems (Published 2009). The New York Times. 2009-09-21. Dostupné online [cit. 2021-02-14]. ISSN0362-4331. (anglicky)