APA-referens (7:e uppl.)

Ettenberg, E. (2002). The next economy: Will you know where your customers are?

Chicago-referens (17:e uppl.)

Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New Delhi, 2002.

MLA-referens (9:e uppl.)

Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? 2002.