Gaya APA
Read to write intermediate level. (2009).
Jakarta:
Rajawali Cilik.
Gaya Chicago
Read to write intermediate level.
.
Jakarta:
Rajawali Cilik,
2009.
Text.
Gaya MLA
Read to write intermediate level.
.
Jakarta:
Rajawali Cilik,
2009.
Text.
Gaya Turabian
Read to write intermediate level.
Jakarta:
Rajawali Cilik,
2009.
Print.