APA (7e ed.) Bronvermelding

Zemke, R., & Woods, J. A. (1999). Best practices in customer service (1st AMACOM ed.). AMACOM.

Chicago (17e ed.) Bronvermelding

Zemke, Ron, en John A. Woods. Best Practices in Customer Service. 1st AMACOM ed. New York: AMACOM, 1999.

MLA (9e ed.) Bronvermelding

Zemke, Ron, en John A. Woods. Best Practices in Customer Service. 1st AMACOM ed. AMACOM, 1999.