Gaya APA
Window on the world for cmU year 2. (1999).
Jakarta:
Erlangga.
Gaya Chicago
Window on the world for cmU year 2.
.
Jakarta:
Erlangga,
1999.
Text.
Gaya MLA
Window on the world for cmU year 2.
.
Jakarta:
Erlangga,
1999.
Text.
Gaya Turabian
Window on the world for cmU year 2.
Jakarta:
Erlangga,
1999.
Print.