Gaya APA
WITTKOPF, EUGENE R.. (1999).
THE FUTURE OF AMERICAN FOREIGN POLICY THIRD EDITION .
USA:
WORTH.
Gaya Chicago
WITTKOPF, EUGENE R..
THE FUTURE OF AMERICAN FOREIGN POLICY THIRD EDITION.
USA:
WORTH,
1999.
Text.
Gaya MLA
WITTKOPF, EUGENE R..
THE FUTURE OF AMERICAN FOREIGN POLICY THIRD EDITION.
USA:
WORTH,
1999.
Text.
Gaya Turabian
WITTKOPF, EUGENE R..
THE FUTURE OF AMERICAN FOREIGN POLICY THIRD EDITION.
USA:
WORTH,
1999.
Print.