Lua APA (7ú heag.)
Viotti, P. R., & Kauppi, M. V. (2013). International relations and world politics (5th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)
Viotti, Paul R., agus Mark V. Kauppi. International Relations and World Politics. 5th ed. Boston: Pearson, 2013.
Lua MLA (9ú heag.)
Viotti, Paul R., agus Mark V. Kauppi. International Relations and World Politics. 5th ed. Pearson, 2013.
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