Tham khảo Xerox_PARC

  1. 1 2 3 4 5 John Markoff (21 tháng 12 năm 2011). “Jacob Goldman, Founder of Xerox Lab, Dies at 90”. The New York Times. 
  2. ↑ "Contact." PARC. Retrieved on November 11, 2010. "PARC (Palo Alto Research Center) 3333 Coyote Hill Road Palo Alto, CA 94304 USA"
  3. ↑ "driving & public transportation directions." PARC. Retrieved on November 11, 2010.
  4. ↑ "map." PARC. Retrieved on November 11, 2010.
  5. ↑ often just PARC
  6. ↑ “Xerox PARC”. PARC, Palo Alto Research Center... and Ethernet 
  7. ↑ “Xerox PARC turns 40: Marking four decades of tech innovations”. Computerworld. 20 tháng 9 năm 2010. spun off by Xerox in January 2002