Cita APA (7th ed.)

Timm, P. R. (1998). Customer service: Career succes through customer satisfaction. Prentice Hall.

Cita Chicago (17th ed.)

Timm, Paul R. Customer Service: Career Succes Through Customer Satisfaction. Upper Saddle River: Prentice Hall, 1998.

Cita MLA (9th ed.)

Timm, Paul R. Customer Service: Career Succes Through Customer Satisfaction. Prentice Hall, 1998.