Allen, C. (1998). Internet world guide to one-to-one web marketing. Wiley.
Citación estilo ChicagoAllen, Cliff. Internet World Guide to One-to-one Web Marketing. New York: Wiley, 1998.
Cita MLAAllen, Cliff. Internet World Guide to One-to-one Web Marketing. Wiley, 1998.
Warning: These citations may not always be 100% accurate.