APA Style
Window On The World: A New Approach To Learning English. (2003).
Jakarta:
Erlangga.
Chicago Style
Window On The World: A New Approach To Learning English.
.
Jakarta:
Erlangga,
2003.
Buku.
MLA Style
Window On The World: A New Approach To Learning English.
.
Jakarta:
Erlangga,
2003.
Buku.
Turabian Style
Window On The World: A New Approach To Learning English.
Jakarta:
Erlangga,
2003.
Buku.