Cita APA (7a ed.)

Greenberg, P. (2010). CRM At the Speed of Light (4th.). Tata McGraw Hill.

Cita Chicago Style (17a ed.)

Greenberg, Paul. CRM At the Speed of Light. 4th. Tata McGraw Hill, 2010.

Cita MLA (9a ed.)

Greenberg, Paul. CRM At the Speed of Light. 4th. Tata McGraw Hill, 2010.