Storper, M., & Venables, A. (2003). Buzz: Face-to-Face Contact and the Urban Economy. Centre for Economic Performance, LSE.
Lua i Stíl Chicago (17ú heag.)Storper, M., agus A. Venables. Buzz: Face-to-Face Contact and the Urban Economy. Centre for Economic Performance, LSE, 2003.
Lua MLA (9ú heag.)Storper, M., agus A. Venables. Buzz: Face-to-Face Contact and the Urban Economy. Centre for Economic Performance, LSE, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.