APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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