Ettenberg, E. (2002). The next economy: Will you know where your customers are?
Chicagoスタイル(17版)引用形式Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New Delhi, 2002.
MLA(9版)引用形式Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? 2002.
警告: この引用は必ずしも正確ではありません.