Cita APA

Birsner, E. P., & Balsley, R. D. (1982). Practical guide to customer service management and operations. New York, United States: AMACON.

Citación estilo Chicago

Birsner, E. Patricia, y Ronald D. Balsley. Practical Guide to Customer Service Management and Operations. New York, United States: AMACON, 1982.

Cita MLA

Birsner, E. Patricia, y Ronald D. Balsley. Practical Guide to Customer Service Management and Operations. New York, United States: AMACON, 1982.