APA-referens (7:e uppl.)

Zemke, R. (2006). Strategic Customer Service. Hungry Minds.

Chicago-referens (17:e uppl.)

Zemke, Ron. Strategic Customer Service. New York: Hungry Minds, 2006.

MLA-referens (9:e uppl.)

Zemke, Ron. Strategic Customer Service. Hungry Minds, 2006.