| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Ccna Interactive | 978-1-58713-069-4 (1-58713-069-6) | 2003 | Cisco Systems Inc. |
| Cisco Networking Academy Program: First- and Second-Year Interactive Guide | 978-1-58713-043-4 (1-58713-043-2) | 2001 | Inc. Cisco Systems ยท Cisco Systems Inc. |