APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.