Ettenberg, E. (2002). The next economy: Will you know where your customers are?
Chicago-čujuhus (17. p.)Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New Delhi, 2002.
MLA-čujuhus (9. p.)Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? 2002.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.