Tham khảo Bàn phím IBM PC

  1. ↑ IBM. IBM Enhanced Keyboard for the Personal Computer Announcement Letter. 1986-04-18.
  2. ↑ Ivens, Kathy (1998). Using Microsoft Windows 95 (ấn bản 4). Que. tr. 165. ISBN 978-0-78971573-9. 
  3. ↑ Mueller, Scott (1998). Upgrading and Repairing PCs. The Scott Mueller library series 1 (ấn bản 10). Que. tr. 450. ISBN 978-0-78971636-1. 
  4. ↑ Mueller, Scott (2011). Upgrading and Repairing PCs (ấn bản 20). Que. tr. 1115–16. ISBN 978-0-13268218-3.