Spector Robert. (2002). Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses deliver seamless service to their customers. Perseus Publishing.
Citación estilo ChicagoSpector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. USA: Perseus Publishing, 2002.
Cita MLASpector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. Perseus Publishing, 2002.
Warning: These citations may not always be 100% accurate.