Barnes, S. H. (1967). Party democracy: Politics in an Italian Socialist federation. Yale University Press.
Chicago-referens (17:e uppl.)Barnes, Samuel Henry. Party Democracy: Politics in an Italian Socialist Federation. New Haven: Yale University Press, 1967.
MLA-referens (9:e uppl.)Barnes, Samuel Henry. Party Democracy: Politics in an Italian Socialist Federation. Yale University Press, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.