APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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