Dyfyniad APA

Lewis, M. (2006). Comparing, designing, and deploying VPNs. Cisco Press.

Dyfyniad Arddull Chicago

Lewis, Mark. Comparing, Designing, and Deploying VPNs. Indianapolis, Ind: Cisco Press, 2006.

Dyfyniad MLA

Lewis, Mark. Comparing, Designing, and Deploying VPNs. Cisco Press, 2006.

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