APA (7 ম সংস্করণ) উদ্ধৃতি

Greenberg, P. (2001). CRM at the speed of light: Capturing and keeping customers in internet real time. TMH.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Greenberg, Paul. CRM at the Speed of Light: Capturing and Keeping Customers in Internet Real Time. New delhi: TMH, 2001.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Greenberg, Paul. CRM at the Speed of Light: Capturing and Keeping Customers in Internet Real Time. TMH, 2001.