Gaya APA
Reserch development. (2011).
Jakarta:
Rajawali Press.
Gaya Chicago
Reserch development.
Ed.1, Cet.1.
Jakarta:
Rajawali Press,
2011.
.
Gaya MLA
Reserch development.
Ed.1, Cet.1.
Jakarta:
Rajawali Press,
2011.
.
Gaya Turabian
Reserch development.
Jakarta:
Rajawali Press,
2011.
.