Gaya APA
Lammle, T.
(2002).
CCNA Cisco Certified Network Associate Study Guide Second Edition
(
Kedua)
.
London:
SYBEX.
Gaya MLA
Lammle, Todd.
"CCNA Cisco Certified Network Associate Study Guide Second Edition".
Kedua
London:
SYBEX,
2002.
Buku.