Martin, W. B. (1989). Managing quality customer service: [a practical guide for establishing a service operation]. Crisp Publications.
Cita Chicago (17th ed.)Martin, William B. Managing Quality Customer Service: [a Practical Guide for Establishing a Service Operation]. Los Altos, Calif: Crisp Publications, 1989.
Cita MLA (9th ed.)Martin, William B. Managing Quality Customer Service: [a Practical Guide for Establishing a Service Operation]. Crisp Publications, 1989.
Atenció: Aquestes cites poden no estar 100% correctes.