Gaya APA
Microsoft Office 2010. (2012).
New York:
Mc Graw Hill.
Gaya Chicago
Microsoft Office 2010.
.
New York:
Mc Graw Hill,
2012.
.
Gaya MLA
Microsoft Office 2010.
.
New York:
Mc Graw Hill,
2012.
.
Gaya Turabian
Microsoft Office 2010.
New York:
Mc Graw Hill,
2012.
.