Roberto Cellini, L. L. (2008). The Economics of Innovation. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Roberto Cellini, Luca Lambertini. The Economics of Innovation. ELSEVIER, 2008.
Lua MLA (8ú heag.)Roberto Cellini, Luca Lambertini. The Economics of Innovation. ELSEVIER, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.