Heil, G. (2006). Employee management and customer service in the retail industry. Wiley.
استشهاد بنمط شيكاغوHeil, Gary. Employee Management and Customer Service in the Retail Industry. Wiley, 2006.
MLA استشهادHeil, Gary. Employee Management and Customer Service in the Retail Industry. Wiley, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.