Gaya APA
THE NORTON UTILITIES STANDARD EDITION VERSION 4.5. (1988).
:
.
Gaya Chicago
THE NORTON UTILITIES STANDARD EDITION VERSION 4.5.
.
:
,
1988.
Text.
Gaya MLA
THE NORTON UTILITIES STANDARD EDITION VERSION 4.5.
.
:
,
1988.
Text.
Gaya Turabian
THE NORTON UTILITIES STANDARD EDITION VERSION 4.5.
:
,
1988.
Print.