Gaya APA
Littejohn, A.
(2009).
WRITING STUDENT'S BOOK 4
(
ed.1 cet.5)
.
Yogyakarta:
Cambridge University press,.
Gaya MLA
Littejohn, Andrew.
"WRITING STUDENT'S BOOK 4".
ed.1 cet.5
Yogyakarta:
Cambridge University press,,
2009.
.