Blackstock, P. W., Hoselitz, B. F., Marx, K., & Engels, F. (1952). The Russian menace to Europe: A collection of articles, speeches, letters, and news dispatches, by Karl Marx and Friedrich Engels. Free Press.
Chicago-referens (17:e uppl.)Blackstock, Paul W., Berthold Frank Hoselitz, Karl Marx, och Friedrich Engels. The Russian Menace to Europe: A Collection of Articles, Speeches, Letters, and News Dispatches, by Karl Marx and Friedrich Engels. Glencoe, Ill: Free Press, 1952.
MLA-referens (9:e uppl.)Blackstock, Paul W., et al. The Russian Menace to Europe: A Collection of Articles, Speeches, Letters, and News Dispatches, by Karl Marx and Friedrich Engels. Free Press, 1952.
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