Cross, M. (2007). Security+ study guide & DVD training system (2nd ed.). Burlington, MA: Syngress Pub..
Chicago-stil citatCross, Michael. Security+ Study Guide & DVD Training System. 2nd ed. Burlington, MA: Syngress Pub., 2007.
MLA-referensCross, Michael. Security+ Study Guide & DVD Training System. 2nd ed. Burlington, MA: Syngress Pub., 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.