Rujukan 3Com

  1. 1 2 3 4 Hedden, Heather Behn; Salamie, David E.; Meyer, Stephen (2010) [previous versions appeared in vol.11 and 34]. Jacques, Derek; Kepos, Paula, para penyunting. "3Com Corporation". International Directory of Company Histories. Farmington Hills, Michigan: St. James Press (Gale, Cengage Learning group). 106: 465–466. ISBN 978-1-55862-640-9. 
  2. ↑ "Bob Metcalfe: Serial Innovator". The Henry Ford. 
  3. ↑ "HP Completes Acquisition of 3Com Corporation, Accelerates Converged Infrastructure Strategy". News release. Hewlett-Packard. April 12, 2010. Dicapai August 27, 2011.