Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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