Rai, A. K. (2016). Customer Relationship Management (2nd.). PHI.
Cita Chicago (17th ed.)Rai, Alok Kumar. Customer Relationship Management. 2nd. PHI, 2016.
Cita MLA (9th ed.)Rai, Alok Kumar. Customer Relationship Management. 2nd. PHI, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.