Naumann, E., & Giel, K. (1995). Customer satisfaction measurement and management: Using the voice of the customer. Cincinnati, Ohio: Thomson Executive Press.
Παραπομπή Chicago StyleNaumann, Earl, και Kathleen Giel. Customer Satisfaction Measurement and Management: Using the Voice of the Customer. Cincinnati, Ohio: Thomson Executive Press, 1995.
Παραπομπή MLANaumann, Earl, και Kathleen Giel. Customer Satisfaction Measurement and Management: Using the Voice of the Customer. Cincinnati, Ohio: Thomson Executive Press, 1995.
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