Ettenberg, E. (2002). The next economy: Will you know where your customers are? New York: McGraw-Hill.
Trích dẫn kiểu ChicagoEttenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New York: McGraw-Hill, 2002.
MLA引文Ettenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New York: McGraw-Hill, 2002.
警告:這些引文格式不一定是100%准確.