Gaya APA
Writing: English for General Communication. (2007).
Bandung:
UPI Press.
Gaya Chicago
Writing: English for General Communication.
Cet.1.
Bandung:
UPI Press,
2007.
.
Gaya MLA
Writing: English for General Communication.
Cet.1.
Bandung:
UPI Press,
2007.
.
Gaya Turabian
Writing: English for General Communication.
Bandung:
UPI Press,
2007.
.