Cita APA (7th ed.)

Bailey, K. (1997). Cuswtomer service for Dummies. Comdex.

Cita Chicago (17th ed.)

Bailey, Keith. Cuswtomer Service for Dummies. New Delhi: Comdex, 1997.

Cita MLA (9th ed.)

Bailey, Keith. Cuswtomer Service for Dummies. Comdex, 1997.