Gaya APA
Sofana, I.
(2017).
Cisco CCNA - CCNP routing dan switching
.
Bandung:
BI-Obses.
Gaya MLA
Sofana, Iwan.
"Cisco CCNA - CCNP routing dan switching".
Bandung:
BI-Obses,
2017.
UMUM.