PEPPERS DON. (2004). MANAGING CUSTOMER RELATIONSHIP. JOHN WILEY AND SONS.
Cita Chicago (17th ed.)PEPPERS DON. MANAGING CUSTOMER RELATIONSHIP. NEW JERSEY: JOHN WILEY AND SONS, 2004.
Cita MLA (9th ed.)PEPPERS DON. MANAGING CUSTOMER RELATIONSHIP. JOHN WILEY AND SONS, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.