APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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