Gaya APA
New York, New Jersey & Pennsylvania. (1997).
:
.
Gaya Chicago
New York, New Jersey & Pennsylvania.
.
:
,
1997.
Text.
Gaya MLA
New York, New Jersey & Pennsylvania.
.
:
,
1997.
Text.
Gaya Turabian
New York, New Jersey & Pennsylvania.
:
,
1997.
Print.