Gaya APA
GRACE, M, S, &, E.
(2007).
LOOK AHEAD : AN ENGLISH COURSE 2
(
-)
.
JAKARTA:
erlangga.
Gaya MLA
GRACE, M., SUDARWATI, &, EUDIA.
"LOOK AHEAD : AN ENGLISH COURSE 2".
-
JAKARTA:
erlangga,
2007.
Text.