APA način citiranja (7. izdanje)
Zimmerman, W. (2005). Perception of a difference: The power in buying, marketing and selling customer care. WZA, Inc..
Čikaški stil citiranja (17. izdanje)
Zimmerman, Wesley. Perception of a Difference: The Power in Buying, Marketing and Selling Customer Care. Scottsdale, AZ: WZA, Inc., 2005.
MLA način citiranja (9. izdanje)
Zimmerman, Wesley. Perception of a Difference: The Power in Buying, Marketing and Selling Customer Care. WZA, Inc., 2005.
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