Unruh, J. A. (1996). Customers Mean Business: Six Steps to Building Relationships That Last. Reading, Massachusetts: Addison-Wesley.
Čikaški stil citiranjaUnruh, James A. Customers Mean Business: Six Steps to Building Relationships That Last. Reading, Massachusetts: Addison-Wesley, 1996.
MLA način citiranjaUnruh, James A. Customers Mean Business: Six Steps to Building Relationships That Last. Reading, Massachusetts: Addison-Wesley, 1996.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.