APA Style
Collie, J, S, S.
(2005).
Speaking: Student's Book 4
.
Yogyakarta:
Penerbit Kanisius.
MLA Style
Collie, Joanne;, Slater,, Stephen.
"Speaking: Student's Book 4".
Yogyakarta:
Penerbit Kanisius,
2005.
BOOK.