Ettenberg, E. (2002). The next economy: Will you know where your customers are?
Chicago (17e ed.) BronvermeldingEttenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? New Delhi, 2002.
MLA (9e ed.) BronvermeldingEttenberg, Elliott. The Next Economy: Will You Know Where Your Customers Are? 2002.
Let op: Deze citaties zijn niet altijd 100% accuraat.