Παραπομπή σε μορφή APA (7η εκδ.)

PAYNE, S. (1999). Delivering costumer service: How to win a competitiveedge through managing customer relationships.. Grolier International.

Παραπομπή σε μορφή Chicago (17η εκδ.)

PAYNE, Shelia. Delivering Costumer Service: How to Win a Competitiveedge Through Managing Customer Relationships.. Hongkong: Grolier International, 1999.

Παραπομπή σε μορφή MLA (9th εκδ.)

PAYNE, Shelia. Delivering Costumer Service: How to Win a Competitiveedge Through Managing Customer Relationships.. Grolier International, 1999.