Spector Robert. (2002). Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses deliver seamless service to their customers. Perseus Publishing.
芝加哥风格引文Spector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. USA: Perseus Publishing, 2002.
MLA引文Spector Robert. Anytime, Anywhere: How the Best Bricks-and-Clicks Businesses Deliver Seamless Service to Their Customers. Perseus Publishing, 2002.
警告：这些引文格式不一定是100％准确.