Bergman, B., & Klefsjö, B. (1994). Quality: From customer needs to customer satisfaction. McGraw-Hill Book Co.
Chicago Style (17. basım) AtıfBergman, Bo, ve Bengt Klefsjö. Quality: From Customer Needs to Customer Satisfaction. London ; New York: McGraw-Hill Book Co, 1994.
MLA (8th ed.) AtıfBergman, Bo, ve Bengt Klefsjö. Quality: From Customer Needs to Customer Satisfaction. McGraw-Hill Book Co, 1994.
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