Pomper, P., & Felshtinsky, Y. (1986). Trotsky's notebooks, 1933-1935: Writings on Lenin, dialectics and evolutionism. New York: Columbia University Press.
Cita Chicago (17th ed.)Pomper, Philip, i Yuri Felshtinsky. Trotsky's Notebooks, 1933-1935: Writings on Lenin, Dialectics and Evolutionism. New York: Columbia University Press, 1986.
Cita MLA (8th ed.)Pomper, Philip, i Yuri Felshtinsky. Trotsky's Notebooks, 1933-1935: Writings on Lenin, Dialectics and Evolutionism. New York: Columbia University Press, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.