Ettenberg, E. (2002). The next economy: Will you know where your customers are?
Lua i Stíl Chicago (17ú heag.)Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New Delhi, 2002.
Lua MLA (9ú heag.)Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.