Zemke, R., & Woods, J. A. (1999). Best practices in customer service (1st AMACOM ed.). AMACOM.
Style de citation Chicago (17e éd.)Zemke, Ron, et John A. Woods. Best Practices in Customer Service. 1st AMACOM ed. New York: AMACOM, 1999.
Style de citation MLA (9e éd.)Zemke, Ron, et John A. Woods. Best Practices in Customer Service. 1st AMACOM ed. AMACOM, 1999.
Attention : ces citations peuvent ne pas être correctes à 100%.