- Author: Fadem Terry J
- Language: English
- Year: 2008
- Author: Blanchard Kenneth H., Barrett Colleen
- Language: English
- Year: 2011
- Author: Barondes Samuel
- Language: English
- Year: 2012
- Author: Bamforth Charles W
- Language: English
- Year: 2010
- Author: DePalma Anthony
- Language: English
- Year: 2011
- Author: Burns Diane, Cohen Sandee
- Language: English
- Year: 2013
- Author: Cisco Networking Academy
- Language: English
- Year: 2016
- Author: Y. Daniel Liang
- Language: English
- Year: 2017
