VIVIANI, A. (2009). Firms and System Competitiveness in Italy. Firenze University Press.
Lua i Stíl Chicago (17ú heag.)VIVIANI, ALESSANDRO. Firms and System Competitiveness in Italy. Firenze: Firenze University Press, 2009.
Lua MLA (9ú heag.)VIVIANI, ALESSANDRO. Firms and System Competitiveness in Italy. Firenze University Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.