Greenberg, P. (2001). CRM at the speed of light: Capturing and keeping customers in internet real time. TMH.
芝加哥风格引文Greenberg, Paul. CRM at the Speed of Light: Capturing and Keeping Customers in Internet Real Time. New delhi: TMH, 2001.
MLA引文Greenberg, Paul. CRM at the Speed of Light: Capturing and Keeping Customers in Internet Real Time. TMH, 2001.
警告：这些引文格式不一定是100％准确.