Παραπομπή σε μορφή APA (7η εκδ.)

Timm, P. R. (2014). Customer service: Career success through customer loyalty (Sixth Edition.). Pearson.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Timm, Paul R. Customer Service: Career Success Through Customer Loyalty. Sixth Edition. Boston: Pearson, 2014.

Παραπομπή σε μορφή MLA (9th εκδ.)

Timm, Paul R. Customer Service: Career Success Through Customer Loyalty. Sixth Edition. Pearson, 2014.