Παραπομπή APA
Reichheld, F. F., & Teal, T. (1996). The loyalty effect: The hidden force behind growth, profits, and lasting value. Boston, Massachusetts: Harvard Business School Press.
Παραπομπή Chicago StyleReichheld, Frederick F., and Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Boston, Massachusetts: Harvard Business School Press, 1996.
Παραπομπή MLAReichheld, Frederick F., and Thomas Teal. The Loyalty Effect: The Hidden Force Behind Growth, Profits, and Lasting Value. Boston, Massachusetts: Harvard Business School Press, 1996.
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