Παραπομπή APA
Hayes, B. E. (1998). Measurement customer satisfaction: Survey design, use, and statistical anaylysis methods (2η έκδ.). Milwaukee: ASQ Quality Press.
Παραπομπή Chicago StyleHayes, Bob E. Measurement Customer Satisfaction: Survey Design, Use, and Statistical Anaylysis Methods. 2η έκδ. Milwaukee: ASQ Quality Press, 1998.
Παραπομπή MLAHayes, Bob E. Measurement Customer Satisfaction: Survey Design, Use, and Statistical Anaylysis Methods. 2η έκδ. Milwaukee: ASQ Quality Press, 1998.
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