Gaya APA
Smith, R, W.
(2011).
LPIC-2 Linux Professional Institute Certification Study Guide
.
Sybex, 2011:
Sybex, 2011.
Gaya MLA
Smith, Roderick, W..
"LPIC-2 Linux Professional Institute Certification Study Guide".
Sybex, 2011:
Sybex, 2011,
2011.
.