Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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