Gaya APA
Extension Bulletin 661 August 2013. (2013).
:
.
Gaya Chicago
Extension Bulletin 661 August 2013.
August 2013.
:
,
2013.
Text.
Gaya MLA
Extension Bulletin 661 August 2013.
August 2013.
:
,
2013.
Text.
Gaya Turabian
Extension Bulletin 661 August 2013.
:
,
2013.
Print.