English, B. (2003). MCSA/MCSE: Windows 2000 Network Security Administration study guide. San Francisco, Calif: SYBEX.
Dyfyniad Arddull ChicagoEnglish, Bill. MCSA/MCSE: Windows 2000 Network Security Administration Study Guide. San Francisco, Calif: SYBEX, 2003.
Dyfyniad MLAEnglish, Bill. MCSA/MCSE: Windows 2000 Network Security Administration Study Guide. San Francisco, Calif: SYBEX, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.