Freemantle David. (1998). What Customers Like About You: Adding emotional value for service excellence and competitive advantage. Nicholas Brealey Publishing.
Citazione stile Chigago Style (17a edizione)Freemantle David. What Customers Like About You: Adding Emotional Value for Service Excellence and Competitive Advantage. London: Nicholas Brealey Publishing, 1998.
Citatione MLA (9a ed.)Freemantle David. What Customers Like About You: Adding Emotional Value for Service Excellence and Competitive Advantage. Nicholas Brealey Publishing, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.