Dyfyniad APA

 Moskowitz, J. (2007).  Group policy: Management, troubleshooting, and security for Windows Vista, Windows 2003, Windows XP, and Windows 2000.  Sybex/Wiley Pub.

Dyfyniad Arddull Chicago

 Moskowitz, Jeremy.  Group Policy: Management, Troubleshooting, and Security for Windows Vista, Windows 2003, Windows XP, and Windows 2000.  Sybex/Wiley Pub, 2007.

Dyfyniad MLA

 Moskowitz, Jeremy.  Group Policy: Management, Troubleshooting, and Security for Windows Vista, Windows 2003, Windows XP, and Windows 2000.  Sybex/Wiley Pub, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.