Lua APA (7ú heag.)
Hill, C., & Smith, M. (2005). International relations and the European Union (ed.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
Hill, Christopher, agus Michael Smith. International Relations and the European Union. ed. Oxford: Oxford University Press, 2005.
Lua MLA (9ú heag.)
Hill, Christopher, agus Michael Smith. International Relations and the European Union. ed. Oxford University Press, 2005.
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