Gaya APA
Encyclopedia Americana Volume 23 (P-R). (2002).
USA:
Grolier Educational.
Gaya Chicago
Encyclopedia Americana Volume 23 (P-R).
Volume 23 (P-R), 2002.
USA:
Grolier Educational,
2002.
Text.
Gaya MLA
Encyclopedia Americana Volume 23 (P-R).
Volume 23 (P-R), 2002.
USA:
Grolier Educational,
2002.
Text.
Gaya Turabian
Encyclopedia Americana Volume 23 (P-R).
USA:
Grolier Educational,
2002.
Print.