APA Style
The World Book Encyclopedia : P Volume 15. (2006).
Chicago:
World Book.
Chicago Style
The World Book Encyclopedia : P Volume 15.
Volume 15.
Chicago:
World Book,
2006.
BUKU.
MLA Style
The World Book Encyclopedia : P Volume 15.
Volume 15.
Chicago:
World Book,
2006.
BUKU.
Turabian Style
The World Book Encyclopedia : P Volume 15.
Chicago:
World Book,
2006.
BUKU.