Gaya APA
The New Book of Knowledge. (2002).
New York:
Grolier.
Gaya Chicago
The New Book of Knowledge.
Vol. 20.
New York:
Grolier,
2002.
Text.
Gaya MLA
The New Book of Knowledge.
Vol. 20.
New York:
Grolier,
2002.
Text.
Gaya Turabian
The New Book of Knowledge.
New York:
Grolier,
2002.
Print.