Gaya APA
Operating System Concepts , Ninth Edition. (2013).
:
.
Gaya Chicago
Operating System Concepts , Ninth Edition.
.
:
,
2013.
Text.
Gaya MLA
Operating System Concepts , Ninth Edition.
.
:
,
2013.
Text.
Gaya Turabian
Operating System Concepts , Ninth Edition.
:
,
2013.
Print.