Frei, F., & Morriss, A. (2012). Uncommon service: How to win by putting customers at the core of your business. Boston, Mass.: Harvard Business Review Press.
Παραπομπή Chicago StyleFrei, Frances., και Anne Morriss. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Mass.: Harvard Business Review Press, 2012.
Παραπομπή MLAFrei, Frances., και Anne Morriss. Uncommon Service: How to Win By Putting Customers At the Core of Your Business. Boston, Mass.: Harvard Business Review Press, 2012.
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