Yu, B. Y. (1998). Why are companies turning to customer care strategies?: It venders are providing the ansers. Manila Bulletin.
Cita Chicago (17th ed.)Yu, Bernard Y. "Why Are Companies Turning to Customer Care Strategies?: It Venders Are Providing the Ansers." Manila Bulletin 1998.
Cita MLA (9th ed.)Yu, Bernard Y. "Why Are Companies Turning to Customer Care Strategies?: It Venders Are Providing the Ansers." Manila Bulletin, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.