Reichheld, F. F., & Fred Reichheld with Rob Markey. The: How net promoter companies thrive in a customer-driven world. Boston, Mass: Harvard Business Press.
Chicago-tyylinen lähdeviittausReichheld, Frederick F., ja Fred Reichheld with Rob Markey. The: How Net Promoter Companies Thrive in a Customer-driven World. Boston, Mass: Harvard Business Press.
MLA-viiteReichheld, Frederick F., ja Fred Reichheld with Rob Markey. The: How Net Promoter Companies Thrive in a Customer-driven World. Boston, Mass: Harvard Business Press.
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