Gaya APA
Lieber, Robert J. (1972).
Theory and world politics .
London:
.
Gaya Chicago
Lieber, Robert J.
Theory and world politics.
London:
,
1972.
Text.
Gaya MLA
Lieber, Robert J.
Theory and world politics.
London:
,
1972.
Text.
Gaya Turabian
Lieber, Robert J.
Theory and world politics.
London:
,
1972.
Print.