APA način citiranja

 Heil, G. (2006).  Employee management and customer service in the retail industry.  Wiley.

Čikaški stil citiranja

 Heil, Gary.  Employee Management and Customer Service in the Retail Industry.  Wiley, 2006.

MLA način citiranja

 Heil, Gary.  Employee Management and Customer Service in the Retail Industry.  Wiley, 2006.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.