Barnes, S. H. (1967). Party democracy: Politics in an Italian Socialist federation. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Barnes, Samuel Henry. Party Democracy: Politics in an Italian Socialist Federation. New Haven: Yale University Press, 1967.
Lua MLA (9ú heag.)Barnes, Samuel Henry. Party Democracy: Politics in an Italian Socialist Federation. Yale University Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.