Reichheld, F. F. (1996). The Quest for loyalty: Creating value through partnership. Harvard Business School Press.
Citazione stile Chigago Style (17a edizione)Reichheld, Frederick F. The Quest for Loyalty: Creating Value Through Partnership. Boston, Mass: Harvard Business School Press, 1996.
Citatione MLA (9a ed.)Reichheld, Frederick F. The Quest for Loyalty: Creating Value Through Partnership. Harvard Business School Press, 1996.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.