Peppers, D. The one to one future: Building relationships one customer at a time. New York: Currency Doubleday.
Παραπομπή Chicago StylePeppers, Don. The One to One Future: Building Relationships One Customer At a Time. New York: Currency Doubleday.
Παραπομπή MLAPeppers, Don. The One to One Future: Building Relationships One Customer At a Time. New York: Currency Doubleday.
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