Gaya APA
THE WORLD Encyclopedi;Research Guide/Indeks. (2006).
Chicago:
World Book.
Gaya Chicago
THE WORLD Encyclopedi;Research Guide/Indeks.
.
Chicago:
World Book,
2006.
Reference.
Gaya MLA
THE WORLD Encyclopedi;Research Guide/Indeks.
.
Chicago:
World Book,
2006.
Reference.
Gaya Turabian
THE WORLD Encyclopedi;Research Guide/Indeks.
Chicago:
World Book,
2006.
Reference.