Lenin, V. (1961). What is to be done? International Pub.
Cita Chicago (17th ed.)Lenin, V.I. What Is to Be Done? New York: International Pub, 1961.
Cita MLA (9th ed.)Lenin, V.I. What Is to Be Done? International Pub, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.