Gaya APA
THE WORLD BOOK Encyclopedia.--vol.6.. (2006).
Chicago:
World Book.
Gaya Chicago
THE WORLD BOOK Encyclopedia.--vol.6..
.
Chicago:
World Book,
2006.
Reference.
Gaya MLA
THE WORLD BOOK Encyclopedia.--vol.6..
.
Chicago:
World Book,
2006.
Reference.
Gaya Turabian
THE WORLD BOOK Encyclopedia.--vol.6..
Chicago:
World Book,
2006.
Reference.