Bailey, K. (1997). Cuswtomer service for Dummies. Comdex.
Chicago-čujuhus (17. p.)Bailey, Keith. Cuswtomer Service for Dummies. New Delhi: Comdex, 1997.
MLA-čujuhus (9. p.)Bailey, Keith. Cuswtomer Service for Dummies. Comdex, 1997.
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