Citazione Stile APA (7a Edizione)

Roberts, M. L., & Zahay, D. (2010). Internet marketing (2nd ed.). Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Roberts, Mary Lou, e Debra Zahay. Internet Marketing. 2nd ed. New Delhi: Cengage Learning, 2010.

Citatione MLA (9a ed.)

Roberts, Mary Lou, e Debra Zahay. Internet Marketing. 2nd ed. Cengage Learning, 2010.