Gaya APA
World Book, Inc.. (2006).
The world book encyclopedia M volume 13 .
Chicago:
World Book.
Gaya Chicago
World Book, Inc..
The world book encyclopedia M volume 13.
Chicago:
World Book,
2006.
Text.
Gaya MLA
World Book, Inc..
The world book encyclopedia M volume 13.
Chicago:
World Book,
2006.
Text.
Gaya Turabian
World Book, Inc..
The world book encyclopedia M volume 13.
Chicago:
World Book,
2006.
Print.