Ettenberg, E. (2002). The next economy: Will you know where your customers are? New York: McGraw-Hill.
Čikaški stil citiranjaEttenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New York: McGraw-Hill, 2002.
MLA način citiranjaEttenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New York: McGraw-Hill, 2002.
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