Putnam, R. D., Leonardi, R., & Nanetti, R. (1993). Making democracy work: Civic traditions in modern Italy. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Putnam, Robert D., Robert Leonardi, agus Raffaella Nanetti. Making Democracy Work: Civic Traditions in Modern Italy. Princeton, N.J: Princeton University Press, 1993.
Lua MLA (9ú heag.)Putnam, Robert D., et al. Making Democracy Work: Civic Traditions in Modern Italy. Princeton University Press, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.