Gaya APA
Lammle, T.
(2007).
CCNA : Cisco Certified Network Associate : study guide
(
6th.ed.)
.
San Francisco:
Sybex.
Gaya MLA
Lammle, Todd.
"CCNA : Cisco Certified Network Associate : study guide".
6th.ed.
San Francisco:
Sybex,
2007.
Teks.