Citazione Stile APA (7a Edizione)

Harrell, G. D. (2008). Marketing: Connecting with customers (12th ed.). Chicago Education Press.

Citazione stile Chigago Style (17a edizione)

Harrell, Gilbert D. Marketing: Connecting with Customers. 12th ed. Chicago, IL: Chicago Education Press, 2008.

Citatione MLA (9a ed.)

Harrell, Gilbert D. Marketing: Connecting with Customers. 12th ed. Chicago Education Press, 2008.