Martin, W. B. (1989). Managing quality customer service: A practical guide for establishing a service operation. Crisp.
Čikaški stil citiranja (17. izdanje)Martin, William B. Managing Quality Customer Service: A Practical Guide for Establishing a Service Operation. Los Altos, Calif.: Crisp, 1989.
MLA način citiranja (9. izdanje)Martin, William B. Managing Quality Customer Service: A Practical Guide for Establishing a Service Operation. Crisp, 1989.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.