Gaya APA
Viotti, Paul R. (2012).
International relations theory edition 5 (Edition 5).
Longman:
Pearson.
Gaya Chicago
Viotti, Paul R.
International relations theory edition 5.
Edition 5
Longman:
Pearson,
2012.
Text.
Gaya MLA
Viotti, Paul R.
International relations theory edition 5.
Edition 5
Longman:
Pearson,
2012.
Text.
Gaya Turabian
Viotti, Paul R.
International relations theory edition 5.
Edition 5
Longman:
Pearson,
2012.
Print.