Gaya APA
Encyclopedia Americana Volume 4 (B). (2002).
USA:
Grolier Educational.
Gaya Chicago
Encyclopedia Americana Volume 4 (B).
Volume 4 (B), 2002.
USA:
Grolier Educational,
2002.
Text.
Gaya MLA
Encyclopedia Americana Volume 4 (B).
Volume 4 (B), 2002.
USA:
Grolier Educational,
2002.
Text.
Gaya Turabian
Encyclopedia Americana Volume 4 (B).
USA:
Grolier Educational,
2002.
Print.