Yu, B. Y. (1998). Why are companies turning to customer care strategies?: It venders are providing the ansers. Manila Bulletin.
Chicago Style (17. basım) AtıfYu, Bernard Y. "Why Are Companies Turning to Customer Care Strategies?: It Venders Are Providing the Ansers." Manila Bulletin 1998.
MLA (9th ed.) AtıfYu, Bernard Y. "Why Are Companies Turning to Customer Care Strategies?: It Venders Are Providing the Ansers." Manila Bulletin, 1998.
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