Gaya APA
Speaking English carrectly. (2005).
:
Pustaka Pelajar.
Gaya Chicago
Speaking English carrectly.
.
:
Pustaka Pelajar,
2005.
Text.
Gaya MLA
Speaking English carrectly.
.
:
Pustaka Pelajar,
2005.
Text.
Gaya Turabian
Speaking English carrectly.
:
Pustaka Pelajar,
2005.
Print.