Pomper, P., & Felshtinsky, Y. (1986). Trotsky's notebooks, 1933-1935: Writings on Lenin, dialectics and evolutionism. New York: Columbia University Press.
Chicago-viite (17. p.)Pomper, Philip, ja Yuri Felshtinsky. Trotsky's Notebooks, 1933-1935: Writings on Lenin, Dialectics and Evolutionism. New York: Columbia University Press, 1986.
MLA-viite (8. p.)Pomper, Philip, ja Yuri Felshtinsky. Trotsky's Notebooks, 1933-1935: Writings on Lenin, Dialectics and Evolutionism. New York: Columbia University Press, 1986.
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