Gaya APA
World Book, Inc.,. (2007).
The world book encyclopedia L volume 12 .
Chicago:
World Book Inc.
Gaya Chicago
World Book, Inc.,.
The world book encyclopedia L volume 12.
Chicago:
World Book Inc,
2007.
Text.
Gaya MLA
World Book, Inc.,.
The world book encyclopedia L volume 12.
Chicago:
World Book Inc,
2007.
Text.
Gaya Turabian
World Book, Inc.,.
The world book encyclopedia L volume 12.
Chicago:
World Book Inc,
2007.
Print.