Yu, B. Y. (1998). Why are companies turning to customer care strategies?: It venders are providing the ansers. Manila Bulletin.
Chicago-referens (17:e uppl.)Yu, Bernard Y. "Why Are Companies Turning to Customer Care Strategies?: It Venders Are Providing the Ansers." Manila Bulletin 1998.
MLA-referens (9:e uppl.)Yu, Bernard Y. "Why Are Companies Turning to Customer Care Strategies?: It Venders Are Providing the Ansers." Manila Bulletin, 1998.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.