Cita APA (7a ed.)

Greenberg, P. (2010). CRM At the Speed of Light (4th.). TMH.

Cita Chicago Style (17a ed.)

Greenberg, Paul. CRM At the Speed of Light. 4th. TMH, 2010.

Cita MLA (9a ed.)

Greenberg, Paul. CRM At the Speed of Light. 4th. TMH, 2010.