Citazione Stile APA (7a Edizione)
Harden, L., & Heyman, B. (2009). Digital engagement: Internet marketing that captures customers and builds intense brand loyalty. American Management Association.
Citazione stile Chigago Style (17a edizione)
Harden, Leland, e Bob Heyman. Digital Engagement: Internet Marketing That Captures Customers and Builds Intense Brand Loyalty. New York: American Management Association, 2009.
Citatione MLA (9a ed.)
Harden, Leland, e Bob Heyman. Digital Engagement: Internet Marketing That Captures Customers and Builds Intense Brand Loyalty. American Management Association, 2009.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.