ebrary, Inc. (2006). Customer loyalty, retention, and customer relationship management. Emerald Group Publishing.
Citazione stile Chigago Style (17a edizione)ebrary, Inc. Customer Loyalty, Retention, and Customer Relationship Management. Bradford, England: Emerald Group Publishing, 2006.
Citatione MLA (9a ed.)ebrary, Inc. Customer Loyalty, Retention, and Customer Relationship Management. Emerald Group Publishing, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.