Gaya APA
Yes! Competency Based English 2. (2004).
Jakarta Timur:
Widya Utama.
Gaya Chicago
Yes! Competency Based English 2.
.
Jakarta Timur:
Widya Utama,
2004.
Text.
Gaya MLA
Yes! Competency Based English 2.
.
Jakarta Timur:
Widya Utama,
2004.
Text.
Gaya Turabian
Yes! Competency Based English 2.
Jakarta Timur:
Widya Utama,
2004.
Print.