Shub, D. (1948). Lenin: A biography. Doubleday.
Cita Chicago (17th ed.)Shub, David. Lenin: A Biography. New york: Doubleday, 1948.
Cita MLA (9th ed.)Shub, David. Lenin: A Biography. Doubleday, 1948.
Atenció: Aquestes cites poden no estar 100% correctes.