Παραπομπή σε μορφή APA (7η εκδ.)

Bergman, B., & Klefsjo, B. (1994). Quality from customer needs to customer satisfaction. McGraw Hill Book Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Bergman, Bo, και Bengt Klefsjo. Quality from Customer Needs to Customer Satisfaction. London: McGraw Hill Book Company, 1994.

Παραπομπή σε μορφή MLA (8th εκδ.)

Bergman, Bo, και Bengt Klefsjo. Quality from Customer Needs to Customer Satisfaction. McGraw Hill Book Company, 1994.