Gaya APA
COLLIE, J., SLATER, S.
(2005).
SPEAKING STUDENT'S BOOK 4
(
1)
.
JAKARTA:
UGM Press.
Gaya MLA
COLLIE, JOANNE., SLATER, STEPHEN.
"SPEAKING STUDENT'S BOOK 4".
1
JAKARTA:
UGM Press,
2005.
Text.