Wistrich, R. S. (1979). Trotsky, fate of a revolutionary. New York: Stein and Day.
Lua i Stíl Chicago (17ú heag.)Wistrich, Robert S. Trotsky, Fate of a Revolutionary. New York: Stein and Day, 1979.
Lua MLA (8ú heag.)Wistrich, Robert S. Trotsky, Fate of a Revolutionary. New York: Stein and Day, 1979.
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