Style de citation APA

Barrera, R. (2005). Overpromise and overdeliver: The secrets of unshakable customer loyality. Penguin.

Style de citation Chicago

Barrera, Rick. Overpromise and Overdeliver: The Secrets of Unshakable Customer Loyality. New Delhi: Penguin, 2005.

Style de citation MLA

Barrera, Rick. Overpromise and Overdeliver: The Secrets of Unshakable Customer Loyality. Penguin, 2005.

Attention : ces citations peuvent ne pas être correctes à 100%.