Gaya APA
Research dan Development. (2011).
Jakarta:
Rajawali Pers.
Gaya Chicago
Research dan Development.
Cet.1.
Jakarta:
Rajawali Pers,
2011.
.
Gaya MLA
Research dan Development.
Cet.1.
Jakarta:
Rajawali Pers,
2011.
.
Gaya Turabian
Research dan Development.
Jakarta:
Rajawali Pers,
2011.
.