Denov Chris. (2006). Satisfaction: How every great company listen to the vice of the customer. Penguin.
Citazione stile Chigago Style (17a edizione)Denov Chris. Satisfaction: How Every Great Company Listen to the Vice of the Customer. New delhi: Penguin, 2006.
Citatione MLA (9a ed.)Denov Chris. Satisfaction: How Every Great Company Listen to the Vice of the Customer. Penguin, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.