Clark, S., & Riddell, J. (1988). Two study guides on Lenin's writings: Class forces and strategy in the Russian Revolution (1902-1917) ; Soviet power and the Communist International (1918-1919). New York: Pathfinder.
Chicago-referens (17:e uppl.)Clark, Steve, och John Riddell. Two Study Guides on Lenin's Writings: Class Forces and Strategy in the Russian Revolution (1902-1917) ; Soviet Power and the Communist International (1918-1919). New York: Pathfinder, 1988.
MLA-referens (8:e uppl.)Clark, Steve, och John Riddell. Two Study Guides on Lenin's Writings: Class Forces and Strategy in the Russian Revolution (1902-1917) ; Soviet Power and the Communist International (1918-1919). New York: Pathfinder, 1988.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.