Weeks, Roger (2004). Linux unwired. Edd Dumbill, Brian Jepson. Sebastopol, Calif.: O'Reilly. p.136. ISBN978-1-4919-9474-0. OCLC177673348.
Barken, Lee (2004). How secure is your wireless network?: safeguarding your Wi-Fi-LAN. Upper Saddle River, NJ: Prentice Hall PTR. p.105. ISBN0-13-140206-4. OCLC52638748.