Gaya APA
Communicative & enteractive english. (2005).
Bandung:
Yrama Widya.
Gaya Chicago
Communicative & enteractive english.
.
Bandung:
Yrama Widya,
2005.
Text.
Gaya MLA
Communicative & enteractive english.
.
Bandung:
Yrama Widya,
2005.
Text.
Gaya Turabian
Communicative & enteractive english.
Bandung:
Yrama Widya,
2005.
Print.