Pipes, R. (1964). The formation of the Soviet Union: Communism and nationalism, 1917-1923. Harvard University Press.
Chicago-viite (17. p.)Pipes, Richard. The Formation of the Soviet Union: Communism and Nationalism, 1917-1923. Cambridge: Harvard University Press, 1964.
MLA-viite (9. p.)Pipes, Richard. The Formation of the Soviet Union: Communism and Nationalism, 1917-1923. Harvard University Press, 1964.
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