Putnam, G. F. (1977). Russian alternatives to Marxism: Christian socialism and idealistic liberalism in twentieth-century Russia. University of Tennessee Press.
Chicago-referens (17:e uppl.)Putnam, George F. Russian Alternatives to Marxism: Christian Socialism and Idealistic Liberalism in Twentieth-century Russia. Knoxville: University of Tennessee Press, 1977.
MLA-referens (9:e uppl.)Putnam, George F. Russian Alternatives to Marxism: Christian Socialism and Idealistic Liberalism in Twentieth-century Russia. University of Tennessee Press, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.