Reichheld, F. F. (1996). The Quest for loyalty: Creating value through partnership. Harvard Business School Press.
Čikaški stil citiranja (17. izdanje)Reichheld, Frederick F. The Quest for Loyalty: Creating Value Through Partnership. Boston, Mass: Harvard Business School Press, 1996.
MLA način citiranja (9. izdanje)Reichheld, Frederick F. The Quest for Loyalty: Creating Value Through Partnership. Harvard Business School Press, 1996.
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