Παραπομπή σε μορφή APA (7η εκδ.)

Cook, S. (2011). Customer care excellence: How to create an effective customer focus (6th ed.). Kogan Page.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cook, Sarah. Customer Care Excellence: How to Create an Effective Customer Focus. 6th ed. London ; Philadelphia: Kogan Page, 2011.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cook, Sarah. Customer Care Excellence: How to Create an Effective Customer Focus. 6th ed. Kogan Page, 2011.