Gaya APA

Carthern, C. et al (2021). Cisco Networks: Engineers' Handbook of Routing, Switching, and Security with IOS, NX-OS, and ASA (Ed. 2). : Apress.

Gaya MLA

Carthern, Chris. et al. "Cisco Networks: Engineers' Handbook of Routing, Switching, and Security with IOS, NX-OS, and ASA". Ed. 2 : Apress, 2021. Text.