Παραπομπή APA
Spector, R. (2002). Anytime, anywhere: How the best bricks-and-clicks businesses deliver seamless service to their customers. Cambridge, MA: Perseus Pub..
Παραπομπή Chicago StyleSpector, Robert. Anytime, Anywhere: How the Best Bricks-and-clicks Businesses Deliver Seamless Service to Their Customers. Cambridge, MA: Perseus Pub., 2002.
Παραπομπή MLASpector, Robert. Anytime, Anywhere: How the Best Bricks-and-clicks Businesses Deliver Seamless Service to Their Customers. Cambridge, MA: Perseus Pub., 2002.
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