Lua APA (7ú heag.)

Buzan, B., & Hansen, L. (2009). The evolution of international security studies. Cambridge University Press.

Lua i Stíl Chicago (17ú heag.)

Buzan, Barry, agus Lene Hansen. The Evolution of International Security Studies. Cambridge, UK ; New York: Cambridge University Press, 2009.

Lua MLA (9ú heag.)

Buzan, Barry, agus Lene Hansen. The Evolution of International Security Studies. Cambridge University Press, 2009.

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