APA-viite (7. p.)
Szwarc, P. (2005). Researching customer satisfaction & loyalty: How to find out what people really think. Kogan Page.
Chicago-viite (17. p.)
Szwarc, Paul. Researching Customer Satisfaction & Loyalty: How to Find Out What People Really Think. London: Kogan Page, 2005.
MLA-viite (9. p.)
Szwarc, Paul. Researching Customer Satisfaction & Loyalty: How to Find Out What People Really Think. Kogan Page, 2005.
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