Peppers, D. (1993). The one to one future: Building relationships one customer at a time. New York: Currency Doubleday.
Chicago Style aipamenaPeppers, Don. The One to One Future: Building Relationships One Customer At a Time. New York: Currency Doubleday, 1993.
MLA aipamenaPeppers, Don. The One to One Future: Building Relationships One Customer At a Time. New York: Currency Doubleday, 1993.
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