Viotti, P. R., & Kauppi, M. V. (2013). International relations and world politics (Fifth edition.). Pearson Education, Inc.
Lua i Stíl Chicago (17ú heag.)Viotti, Paul R., agus Mark V. Kauppi. International Relations and World Politics. Fifth edition. Boston: Pearson Education, Inc, 2013.
Lua MLA (9ú heag.)Viotti, Paul R., agus Mark V. Kauppi. International Relations and World Politics. Fifth edition. Pearson Education, Inc, 2013.
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