Citazione Stile APA (7a Edizione)

Bergman, B., & Klefsjö, B. (1994). Quality: From customer needs to customer satisfaction. McGraw-Hill Book Co.

Citazione stile Chigago Style (17a edizione)

Bergman, Bo, e Bengt Klefsjö. Quality: From Customer Needs to Customer Satisfaction. London ; New York: McGraw-Hill Book Co, 1994.

Citatione MLA (8a ed.)

Bergman, Bo, e Bengt Klefsjö. Quality: From Customer Needs to Customer Satisfaction. McGraw-Hill Book Co, 1994.