Pomper, P., & Felshtinsky, Y. (1986). Trotsky's notebooks, 1933-1935: Writings on Lenin, dialectics and evolutionism. New York: Columbia University Press.
Cita Chicago Style (17a ed.)Pomper, Philip, y Yuri Felshtinsky. Trotsky's Notebooks, 1933-1935: Writings on Lenin, Dialectics and Evolutionism. New York: Columbia University Press, 1986.
Cita MLA (8a ed.)Pomper, Philip, y Yuri Felshtinsky. Trotsky's Notebooks, 1933-1935: Writings on Lenin, Dialectics and Evolutionism. New York: Columbia University Press, 1986.
Precaución: Estas citas no son 100% exactas.