Pipes, R. (1964). The formation of the Soviet Union: Communism and nationalism, 1917-1923. Harvard University Press.
Dyfyniad Arddull ChicagoPipes, Richard. The Formation of the Soviet Union: Communism and Nationalism, 1917-1923. Cambridge: Harvard University Press, 1964.
Dyfyniad MLAPipes, Richard. The Formation of the Soviet Union: Communism and Nationalism, 1917-1923. Harvard University Press, 1964.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.