Gaya APA
The World Book Encyclopedia So-Sz Volume 18. (2007).
Chicago:
World Book Inc..
Gaya Chicago
The World Book Encyclopedia So-Sz Volume 18.
.
Chicago:
World Book Inc.,
2007.
Text.
Gaya MLA
The World Book Encyclopedia So-Sz Volume 18.
.
Chicago:
World Book Inc.,
2007.
Text.
Gaya Turabian
The World Book Encyclopedia So-Sz Volume 18.
Chicago:
World Book Inc.,
2007.
Print.