Gaya APA
PHOTOENGRAVING, O, T. (1983).
THE ENCYCLOPEDIA AMERICANA INTERNATIONAL EDITION VOLUME 21 .
AMERICA:
GROLIER INCORPORATES.
Gaya MLA
PHOTOENGRAVING, ORLEY, TO.
"THE ENCYCLOPEDIA AMERICANA INTERNATIONAL EDITION VOLUME 21".
AMERICA:
GROLIER INCORPORATES,
1983.
Text.