Borkenau, F., & Aron, R. (1962). World communism: A history of the Communist International. Michigan: University of Michigan Press.
Lua i Stíl Chicago (17ú heag.)Borkenau, Franz, agus Raymond Aron. World Communism: A History of the Communist International. Michigan: University of Michigan Press, 1962.
Lua MLA (8ú heag.)Borkenau, Franz, agus Raymond Aron. World Communism: A History of the Communist International. Michigan: University of Michigan Press, 1962.
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