Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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