International Baccalaureate Organization & Cannon, M. (2009). 20th century world history: Course companion. Oxford University Press.
Čikaški stil citiranja (17. izdanje)International Baccalaureate Organization i Martin Cannon. 20th Century World History: Course Companion. Oxford, New York: Oxford University Press, 2009.
MLA način citiranja (9. izdanje)International Baccalaureate Organization i Martin Cannon. 20th Century World History: Course Companion. Oxford University Press, 2009.
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