Παραπομπή σε μορφή APA (7η εκδ.)

Freemantle David. (1998). What Customers Like About You: Adding emotional value for service excellence and competitive advantage. Nicholas Brealey Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Freemantle David. What Customers Like About You: Adding Emotional Value for Service Excellence and Competitive Advantage. London: Nicholas Brealey Publishing, 1998.

Παραπομπή σε μορφή MLA (9th εκδ.)

Freemantle David. What Customers Like About You: Adding Emotional Value for Service Excellence and Competitive Advantage. Nicholas Brealey Publishing, 1998.