Gaya APA
Learning skills series ( english k2 ). (2005).
:
.
Gaya Chicago
Learning skills series ( english k2 ).
.
:
,
2005.
Text.
Gaya MLA
Learning skills series ( english k2 ).
.
:
,
2005.
Text.
Gaya Turabian
Learning skills series ( english k2 ).
:
,
2005.
Print.