Sheth, J. (2018). Customer Relationship Management (1st.). McGraw Hill.
Cita Chicago (17th ed.)Sheth, Jagdish. Customer Relationship Management. 1st. McGraw Hill, 2018.
Cita MLA (9th ed.)Sheth, Jagdish. Customer Relationship Management. 1st. McGraw Hill, 2018.
Atenció: Aquestes cites poden no estar 100% correctes.