Cita APA (7a ed.)

Brondmo, H. P. (2000). The Engaged customer: : the new rules of Internet direct marketing. HarperBusiness.

Cita Chicago Style (17a ed.)

Brondmo, Hans Peter. The Engaged Customer: : The New Rules of Internet Direct Marketing. New York: HarperBusiness, 2000.

Cita MLA (9a ed.)

Brondmo, Hans Peter. The Engaged Customer: : The New Rules of Internet Direct Marketing. HarperBusiness, 2000.