Gaya APA
Firmansyah, M, W, R, A, P. (2019).
Cisco Routing and Switching (Edisi 1).
Yogyakarta:
GRAHA ILMU.
Gaya MLA
Firmansyah, Mochamad, Wahyudi,, Rachmat, Adi, Purnama,.
"Cisco Routing and Switching".
Edisi 1
Yogyakarta:
GRAHA ILMU,
2019.
Text Book Informatika.