APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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