Service, R. (1991). The Russian revolution: 1900-1927 (2nd ed.). Macmillan.
Cita Chicago (17th ed.)Service, Robert. The Russian Revolution: 1900-1927. 2nd ed. London: Macmillan, 1991.
Cita MLA (9th ed.)Service, Robert. The Russian Revolution: 1900-1927. 2nd ed. Macmillan, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.