Παραπομπή σε μορφή APA (7η εκδ.)

Spector Robert. (2002). Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses deliver seamless service to their customers. Perseus Publishing.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. USA: Perseus Publishing, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Spector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. Perseus Publishing, 2002.