Gaya APA
OKEY, R.
(1982).
EASTERN EUROPE 1740-1980
.
UNITED STATES OF AMERICA:
UNIVERSITY OF MINNESOTA PRESS.
Gaya MLA
OKEY, ROBIN.
"EASTERN EUROPE 1740-1980".
UNITED STATES OF AMERICA:
UNIVERSITY OF MINNESOTA PRESS,
1982.
Text.